Meta Query SEARCH Woocommerce

Visibilidad catálogo: Catalogo/Buscar o Buscar

$meta_query = array(
	'relation' => 'OR',
	array(
		'key'     => '_visibility',
		'value'   => 'visible',
	),
	array(
		'key'     => '_visibility',
		'value'   => 'search',
	),
);