Tag

// WP_Term_Query arguments
$args = array(
	'slug'                   => array( 'kheo-tay-tet-trung-thu' ),
);

// The Term Query
$tagtrending = new WP_Term_Query( $args );

// The Loop
if ( ! empty( $tagtrending ) && ! is_wp_error( $tagtrending ) ) {
	// do something
} else {
	// no terms found
}