job tax query
$tax_query = array( 'relation' => 'OR', array( 'taxonomy' => 'job_category', 'terms' => array( 'a', 'b', 'c' ), 'field' => 'name', 'operator' => 'IN', 'include_children' => true, ), array( 'taxonomy' => 'job_location', 'terms' => array( 'loc1', 'loc2' ), 'field' => 'name', 'operator' => 'IN', 'include_children' => true, ), array( 'taxonomy' => 'hob_tag', 'terms' => array( 'tag1', ' tag2' ), 'field' => 'name', 'operator' => 'IN', 'include_children' => true, ), );