get posts by custom taxonomy wp_query
$the_query = new WP_Query( array(
'post_type' => 'Adverts',
'tax_query' => array(
array (
'taxonomy' => 'advert_tag',
'field' => 'slug',
'terms' => 'politics',
)
),
) );
while ( $the_query->have_posts() ) :
$the_query->the_post();
// Show Posts ...
endwhile;
/* Restore original Post Data
* NB: Because we are using new WP_Query we aren't stomping on the
* original $wp_query and it does not need to be reset.
*/
wp_reset_postdata();