wp_query get by taxonomy
$the_query = new WP_Query( array(
'post_type' => 'Adverts',
'tax_query' => array(
array (
'taxonomy' => 'advert_tag',
'field' => 'slug',
'terms' => 'politics',
)
),
) );
// The Loop
if ( $the_query->have_posts() ) {
while ( $the_query->have_posts() ) {
$the_query->the_post();
the_title(); //show post title
}
}