Perhaps you should try some spelling variations:
wang xiaoping » deng xiaoping, wang xiaolin, huang xiaoting
china does » china goes, china des, child does
tan china » tuan china, than china, can china
does yang » does bank, does hong
yang mind » yang cindy, yang jin, sang minh
mind dang » mind data

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)) tan china does yang mind dang (hai OR haji) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang xiaoping) OR (wang xiaodong)) tan china does yang mind dang (hai or haji) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang xiaoping) OR (wang xiaodong)) tan china does yang mind dang (hai or haji) ;*.