Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping tuan » xinping guan
tuan china » wuhan china, can china, taiwan china
yang mind » yang cindy, yang jin, sang minh
yang jie » yang jin, yang di, yang jui
wang hui » wang hua, wang zhi, wang he
wang wei » zhang wei, wang zhi

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 tuan china des ((yang jie) OR (yang mind)) ((wang hui) OR (wang wei)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaoping tuan china des ((yang jie) or (yang mind)) ((wang hui) or (wang wei)) ;*.