Found a solution how to connect 3 queries from the database. But I can't try pagination on information My code:
$ads_default = AdModel::where('status','=', 1)->where('category_id','=',$this_category_id)->where('moderation','=', 0)->where('ad_diamond','=', 0)->where('ad_vip','=', 0)->orderBY('ad_pos', 'asc')->get();
$ads_vip = AdModel::where('status','=', 1)->where('category_id','=',$this_category_id)->where('moderation','=', 0)->where('ad_vip','=', 1)->orderBY('ad_vip_pos', 'asc')->get();
$ads_diamond = AdModel::where('status','=', 1)->where('category_id','=',$this_category_id)->where('moderation','=', 0)->where('ad_diamond','=', 1)->orderBY('ad_diamond_pos', 'asc')->get();
$merge_d_v = $ads_diamond->merge($ads_vip);
$merge_d_v_r = $merge_d_v->merge($ads_default);
$data['all_union_ads'] = $merge_d_v_r->all()->paginate(20);