Month product query
$tax_query = array( 'relation' => 'AND', array( 'taxonomy' => 'product_tag', 'terms' => 'january', 'field' => 'term_id', ), array( 'taxonomy' => 'associated_with', 'operator' => 'EXISTS', ), );
$tax_query = array( 'relation' => 'AND', array( 'taxonomy' => 'product_tag', 'terms' => 'january', 'field' => 'term_id', ), array( 'taxonomy' => 'associated_with', 'operator' => 'EXISTS', ), );