Perhaps you should try some spelling variations:
wang danning » wang yanling, wang daoping, wang yangming
wuhan china » yunnan china
tuan china » can china, taiwan china, yunnan china
yang mind » yang cindy, yang jin, tang min
sang minh » kang minah, anh minh, song min
hong hai » shang hai, zhong tai, dang hai

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 danning ((tuan china) OR (wuhan china)) due ((yang mind) OR (sang minh)) hong hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang danning ((tuan china) OR (wuhan china)) due ((yang mind) or (sang minh)) hong hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang danning ((tuan china) OR (wuhan china)) due ((yang mind) or (sang minh)) hong hai ;*.