custom_tax_query
$tax_query = array( 'relation' => 'AND', array( 'taxonomy' => 'magazine_tag', 'terms' => array( 'tag1', ' tag2' ), 'field' => 'slug', 'operator' => 'IN', ), );
$tax_query = array( 'relation' => 'AND', array( 'taxonomy' => 'magazine_tag', 'terms' => array( 'tag1', ' tag2' ), 'field' => 'slug', 'operator' => 'IN', ), );