Views, Taxonomy, multiple parameters using contextual filters
Solutions
To do like this too much contextual filters needed, i think it's better to manage the URL in template.php and/or with hook_menu and use views_embed_view() to pass arguments to Views
$arg =array (1,2,3);
print views_embed_view('view_name', 'page_1', implode('+',$arg)); // OR
print views_embed_view('view_name', 'page_1', implode(',',$arg)); //AND