Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping than » xiaoping how, xiaoping shi
than china » tuan china, han china, wuhan china
china due » china does, china des, china den
yang mind » yang jin, sang minh, tang min
yang xi » yang di, yang yi, yang jui
dan hai » dang hai, dan phan, dann hat

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: wang xiaoping than china due ((((yang mind) OR (yang xi))) OR (yang cindy)) dan hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaoping than china due ((((yang mind) or (yang xi))) or (yang cindy)) dan hai ;*.