Perhaps you should try some spelling variations:
wang xiaoping » deng xiaoping, wang xiaolin, huang xiaoting
than china » tuan china, han china, wuhan china
china tan » china top, china two, china taiwan
yang mind » yang cindy, yang jin, sang minh
mind dang » mind data
dang hadi » dang hai
tan yang » dan yang, tan ying, tan yong

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) OR (wang xiaodong)) than china tan yang mind dang hadi ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang xiaoping) or (wang xiaodong)) than china tan yang mind dang hadi ;*.