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// WP_Query arguments
$args = array(
	'post_type'              => array( 'supports' ),
	'nopaging'               => true,
	'tax_query'              => array(
		'relation' => 'AND',
		array(
			'taxonomy'         => 'support-tags',
			'field'            => 'term_id',
		),
	),
);

// The Query
$query = new WP_Query( $args );