Try your search with a different keyword or use * as a wildcard.
@model VendorCustomerSearchModel
@{
Layout = "_AdminPopupLayout";
//page title
ViewBag.PageTitle = T("Admin.Vendors.PmCustomer.Choose").Text;
var customerIdInput = Context.Request.Query["customerIdInput"];
var customerInfoInput = Context.Request.Query["customerInfoInput"];
var btnId = Context.Request.Query["btnId"];
}