get_buy_tag
$tax_query = array(
'relation' => 'AND',
array(
'taxonomy' => 'dtt_levels',
'terms' => array( 'something', 'nothing' ),
'field' => 'term_taxonomy_id',
'operator' => 'IN',
),
array(
'taxonomy' => 'dtt_roles',
'terms' => array( 'something', 'nothing' ),
'field' => 'term_taxonomy_id',
),
array(
'taxonomy' => 'dtt_comunications',
'terms' => array( 'something', 'nothing' ),
'field' => 'term_taxonomy_id',
),
array(
'taxonomy' => 'dtt_locations',
'terms' => array( 'something', 'nothing' ),
'field' => 'term_taxonomy_id',
),
array(
'taxonomy' => 'dtt_langs',
'terms' => array( 'something', 'nothing' ),
'field' => 'term_taxonomy_id',
),
);