Perhaps you should try some spelling variations:
xiaoping than » xiaoping how, xiaoping shi
than china » tuan china, han china, wuhan china
china due » china does, china des, china den
sang minh » kang minah, anh minh, song min
minh dang » minh cong, mich dann
dang hari » dang hai
due sang » du sang, lee sang, de san

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (deng OR eng) xiaoping than china due sang minh dang hari ;~.
• Adding a wildcard symbol may retrieve word variants: (deng or eng) xiaoping than china due sang minh dang hari ;*.