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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',
	),
);