public ResponseModel TimkiemTheoShop(int maloai, string maloai1, string maloai2,
                                             string keyword, int min, int max, int pageIndex, int pageSize)
        {
            var  response = new ResponseModel();
            long total    = 0;

            response.Page       = pageIndex;
            response.PageSize   = pageSize;
            response.Data       = isp.TimkiemTheoShop(maloai, maloai1, maloai2, keyword, min, max, pageIndex, pageSize, out total);
            response.TotalItems = total;
            return(response);
        }