wordpress自作検索フォーム　チェックボックスとプルダウンのAND検索ができない

絞り込み検索をプラグインを使わずに実装を参考に自作の検索フォームを作成しています。

実現したいこと

1つのカスタム投稿タイプに６つタクソノミーを用意し、その内容でAND検索させたいと思っています。

発生している問題

チェックボックスとチェックボックスでの絞り込みはうまくいくのですが、プルダウン項目を含めるとうまくいきません。

該当のコード（searchform）

<div class="searchBox flexC animate delay01">
  <form method="get" action="<?php echo esc_url(home_url('/'));?>"> <input type="hidden" name="post_type" value="jobs"> <input type="hidden" name="s" id="s" value="<?php echo get_search_query(); ?>" placeholder="キーワード">
    <ul class="serviceList">
      <li>
        <dl
        <dt>チェックボックス1 - taxonomy1</dt>
          <dd>
            <ul class="checkboxList flex">
              <?php
                  $taxonomy_name = 'jobs01_cat';
                  $taxonomys = get_terms($taxonomy_name, array('hide_empty' => false));
                  if(!is_wp_error($taxonomys) && count($taxonomys)):
                      foreach($taxonomys as $taxonomy):
                          $tax_posts = get_posts(array('post_type' => 'jobs', 'taxonomy' => $taxonomy_name, 'term' => $taxonomy->slug ) );
                         
                  ?>
                <li><label class="checkboxInput"><input class="checkboxInput-Input" type="checkbox" name="post_jobs01tag[]" value="<?php echo $taxonomy->slug; ?>"><span class="checkboxInput-DummyInput"></span><span class="checkboxInput-LabelText"><?php echo $taxonomy->name; ?></span></label></li>
                <?php
                      endforeach;
                  endif;
                  ?>
            </ul>
          </dd>
        </dl>
      </li>
    </ul>
    <details>
      <summary> こだわり検索 </summary>
      <div class="answer">
        <ul class="serviceList">
          <li>
            <dl> <dt>チェックボックス2 - taxonomy2</dt>
              <dd>
                <ul class="checkboxList flex">
                  <?php
                  $taxonomy_name = 'jobs02_cat';
                  $taxonomys = get_terms($taxonomy_name, array('hide_empty' => false));
                  if(!is_wp_error($taxonomys) && count($taxonomys)):
                      foreach($taxonomys as $taxonomy):
                          $tax_posts = get_posts(array('post_type' => 'jobs', 'taxonomy' => $taxonomy_name, 'term' => $taxonomy->slug ) );
                  ?>
                    <li><label class="checkboxInput"><input class="checkboxInput-Input" type="checkbox" name="post_jobs02tag[]" value="<?php echo $taxonomy->slug; ?>"><span class="checkboxInput-DummyInput"></span><span class="checkboxInput-LabelText"><?php echo $taxonomy->name; ?></span></label></li>
                    <?php
                      endforeach;
                  endif;
                  ?>
                </ul>
              </dd>
            </dl>
          </li>
          <li>
            <ul class="selectList flex">
              <li>
                <dl> <dt>ラジオボタン1 - taxonomy3</dt>
                  <dd> <select name="jobs03_cat">
                          <option value="none">指定なし</option>
                          <?php
                          $taxonomy_name = 'jobs03_cat';
                          $taxonomys = get_terms($taxonomy_name, array('hide_empty' => true));
                          if(!is_wp_error($taxonomys) && count($taxonomys)):
                              foreach($taxonomys as $taxonomy):
                                  $tax_posts = get_posts(array('post_type' => 'jobs', 'taxonomy' => $taxonomy_name, 'term' => $taxonomy->slug ) );
                          ?>
                          <option value="<?php echo $taxonomy->slug; ?>"><?php echo $taxonomy->name; ?></option>
                          <?php
                      endforeach;
                  endif;
                  ?>
                          </select> </dd>
                </dl>
              </li>
              <li>
                <dl> <dt>ラジオボタン2 - taxonomy4</dt>
                  <dd> <select name="jobs04_cat">
                          <option value="none">指定なし</option>
                          <?php
                        $taxonomy_name = 'jobs04_cat';
                        $taxonomys = get_terms($taxonomy_name, array('hide_empty' => true));
                        if(!is_wp_error($taxonomys) && count($taxonomys)):
                            foreach($taxonomys as $taxonomy):
                                $tax_posts = get_posts(array('post_type' => 'jobs', 'taxonomy' => $taxonomy_name, 'term' => $taxonomy->slug ) );
                        
                        ?>
                        <option value="<?php echo $taxonomy->slug; ?>"><?php echo $taxonomy->name; ?></option>
                        <?php
                      endforeach;
                  endif;
                  ?>
                          </select> </dd>
                </dl>
              </li>
            </ul>
          </li>
          <li>
            <ul class="selectList flex">
              <li>
                <dl> <dt>ラジオボタン3 - taxonomy5</dt>
                  <dd> <select name="jobs05_cat">
                          <option value="none">指定なし</option>
                          <?php
                        $taxonomy_name = 'jobs05_cat';
                        $taxonomys = get_terms($taxonomy_name, array('hide_empty' => true));
                        if(!is_wp_error($taxonomys) && count($taxonomys)):
                            foreach($taxonomys as $taxonomy):
                                $tax_posts = get_posts(array('post_type' => 'jobs', 'taxonomy' => $taxonomy_name, 'term' => $taxonomy->slug ) );
                              
                        ?>
                        <option value="<?php echo $taxonomy->slug; ?>"><?php echo $taxonomy->name; ?></option>
                        <?php
                      endforeach;
                  endif;
                  ?>
                          </select> </dd>
                </dl>
              </li>
              <li>
                <dl> <dt>ラジオボタン4 - taxonomy6</dt>
                  <dd> <select name="jobs06_cat">
                          <option value="none">指定なし</option>
                          <?php
                        $taxonomy_name = 'jobs06_cat';
                        $taxonomys = get_terms($taxonomy_name, array('hide_empty' => true));
                        if(!is_wp_error($taxonomys) && count($taxonomys)):
                            foreach($taxonomys as $taxonomy):
                                $tax_posts = get_posts(array('post_type' => 'jobs', 'taxonomy' => $taxonomy_name, 'term' => $taxonomy->slug ) );
                        
                        ?>
                        <option value="<?php echo $taxonomy->slug; ?>"><?php echo $taxonomy->name; ?></option>
                        <?php
                      endforeach;
                  endif;
                  ?>
               </select> </dd>
                </dl>
              </li>
            </ul>
          </li>
        </ul>
      </div>
    </details>
    <div class="comLink"><input type="submit" value="この条件で絞り込む" class="search_btn" /></div>
  </form>
</div>

該当のコード（searchform）

html
1<?php
2			$s = $_GET[ 's' ];
3			$post_jobs01tag = $_GET[ 'post_jobs01tag' ];
4			$post_jobs02tag = $_GET[ 'post_jobs02tag' ];
5			$post_jobs03tag = $_GET[ 'post_jobs03tag' ];
6			$post_jobs04tag = $_GET[ 'post_jobs04tag' ];
7			$post_jobs05tag = $_GET[ 'post_jobs05tag' ];
8			$post_jobs06tag = $_GET[ 'post_jobs06tag' ];
9	
10			//jobs01_cat
11			if ( $post_jobs01tag ) {
12				$taxquerysp[] = array(
13					'taxonomy' => 'jobs01_cat',
14					'terms' => $post_jobs01tag,
15					'include_children' => false,
16					'field' => 'slug',
17					'operator' => 'AND',
18				);
19			}
20
21			//jobs02_cat
22			if ( $post_jobs02tag ) {
23				$taxquerysp[] = array(
24					'taxonomy' => 'jobs02_cat',
25					'terms' => $post_jobs02tag,
26					'include_children' => false,
27					'field' => 'slug',
28					'operator' => 'AND',
29				);
30			}
31
32      //jobs03_cat
33	  if ( $post_jobs03tag ) {
34				$taxquerysp[] = array(
35					'taxonomy' => 'jobs03_cat',
36					'terms' => $post_jobs03tag,
37					'include_children' => false,
38					'field' => 'slug',
39					'operator' => 'AND',
40				);
41			}
42
43      //jobs04_cat
44			if ( $post_jobs04tag ) {
45				$taxquerysp[] = array(
46					'taxonomy' => 'jobs04_cat',
47					'terms' => $post_jobs04tag,
48					'include_children' => false,
49					'field' => 'slug',
50					'operator' => 'AND',
51				);
52			}
53
54      //jobs05_cat
55			if ( $post_jobs05tag ) {
56				$taxquerysp[] = array(
57					'taxonomy' => 'jobs05_cat',
58					'terms' => $post_jobs05tag,
59					'include_children' => false,
60					'field' => 'slug',
61					'operator' => 'AND',
62				);
63			}
64
65      //jobs06_cat
66			if ( $post_jobs06tag ) {
67				$taxquerysp[] = array(
68					'taxonomy' => 'jobs06_cat',
69					'terms' => $post_jobs06tag,
70					'include_children' => false,
71					'field' => 'slug',
72					'operator' => 'AND',
73				);
74			}
75			$taxquerysp['relation'] = 'AND';
76			?>
77  <?php
78			query_posts( array(
79				'tax_query' => $taxquerysp,
80				's' => $s,
81				'post_type' => 'jobs',
82                'paged' => $paged,
83			) );
84			?>
85    <?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>
86    <div class="borderBox animate">
87      <dl class="textDl clearfix"> <dt>職種</dt>
88        <dd>
89          <a href="<?php the_permalink(); ?>">
90            <?php the_title_attribute(); ?>
91          </a>
92        </dd>
93      </dl>
94      <div class="link en"><a href="<?php the_permalink(); ?>">VIEW MORE</a></div>
95    </div>
96    <?php endwhile; else : ?>
97    <div>該当なし</div>
98    <?php endif; ?>