สอบถามเรื่อง Query ใน PHP เรื่องของการ WHERE Like ที่เป็น ภาษาไทย ไม่แสดงข้อมูล

SELECT 
	CONVERT(varchar(10),T0.createDate,103) as createDate,
	T0.createTime,
	CONVERT(varchar(10),T0.closeDate,103) as closeDate,
	T0.closeTime,
	CONVERT(varchar(10),T0.U_DateJobStart,103) as DateJobStart,
	T0.U_TimeJobStart,
	CONVERT(varchar(10),T0.U_DateJobEnd,103) as DateJobEnd,
	T0.U_TimeJobEnd,
	T0.custmrName,
	T0.subject,
	T0.itemCode,
	T0.CallID,
	T0.internalSN,
	T0.manufSN,
	T0.resolution,
	T3.Name as serviceCode,
	T4.Name as status,
	
	T1.U_ServiceContract 
	FROM OSCL T0  
	INNER JOIN OINS T1 ON T0.insID = T1.insID  
	
	INNER JOIN OSCT T3 ON T0.callType = T3.callTypeID 
	INNER JOIN OSCS T4 ON T0.status = T4.statusID 
	WHERE T3.Name = 'BSD'AND (T4.Name LIKE 'Open' AND T0.custmrName LIKE N'%ธนาคาร%') 
	ORDER BY T0.createDate DESC