Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
chang qian » zhang qin
rene chang » lee chang, leone change
chang min » zhang ming, chang mae, chan ming
zhong zhi » zhang zhi, hong ghi, zhong tai
wong yue » wang yue, hong yu
qian hu » qian jun

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan chang qian hu rene chang min ((zhong zhi) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan chang qian hu rene chang min ((zhong zhi) OR (wong yue)) ;*.