Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
wang yangming » wang yangming's, wang yanling, wang danning
tuan hua » tan hua, tuan vu, yuan hui
yang min » yang mind, yang jin, yang lin
tang min » chang min, sang minh, yang mind
hua tan » hua ban, huan t'an

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang xiaoping) or (wang yangming)) tuan hua tan ((yang min) OR (tang min)) dang (hai or hadi) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang xiaoping) OR (wang yangming)) tuan hua tan ((yang min) OR (tang min)) dang (hai OR hadi) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang xiaoping) or (wang yangming)) tuan hua tan ((yang min) OR (tang min)) dang (hai or hadi) ;*".