Perhaps you should try some spelling variations:
wang xiaolin » wang xiaoping, wang xiaodong, wang jianbin
yunnan china » urban china, wuhan china, yunnan sheng
tuan china » wuhan china, can china, taiwan china
yang mind » yang cindy, sang minh, tang min
shang hai » shang kai, dang hai, chang ha
yang jin » yang jie, yang jun, ying jin

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) OR (yunnan china)) daun ((yang mind) OR (yang jin)) shang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaolin ((tuan china) or (yunnan china)) daun ((yang mind) or (yang jin)) shang hai ;*.