Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
wang daoping » wang danning, wang xiaobing, wang yanling
china daun » china data, china den, china due
daun yang » dan yang, du yang, tan yang
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 daoping) OR (wang xiaoping)) can china daun yang mind dang (hai OR hari) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang daoping) or (wang xiaoping)) can china daun yang mind dang (hai OR hari) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang daoping) or (wang xiaoping)) can china daun yang mind dang (hai OR hari) ;*.