Perhaps you should try some spelling variations:
wang xiaolin » wang xiaoping, wang xiaodong, wang jianbin
tuan china » wuhan china, can china, taiwan china
china daun » china data, china den, china due
yang cindy » yang mind
tang min » chang min, sang minh, yang mind
yang jie » yang jin, yang di, 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 xiaolin tuan china daun ((((tang min) OR (yang jie))) OR (yang cindy)) dan hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaolin tuan china daun ((((tang min) or (yang jie))) or (yang cindy)) dan hai ;*.