in kesht but not in qlab

$tax_query = array(
	'relation' => 'AND',
	array(
		'taxonomy'         => 'product_cat',
		'terms'            => '1760',
		'field'            => 'term_id',
		'operator'         => 'IN',
		'include_children' => true,
	),
	array(
		'taxonomy'         => 'product_cat',
		'terms'            => '1939',
		'field'            => 'term_id',
		'operator'         => 'NOT IN',
		'include_children' => true,
	),
);