Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
zhang ying » zhang ming, zhang jing, zhang ping
zhu rene » zhu ren
yang jie » yang jin, yang xi, yang yi
yang jui » yang judy, yang xi, yang yi
wong sam » wong sau, wong lai, kong sar
wong siu » wong shiu, kong siu, wong sau

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

• Performing a fuzzy search may retrieve terms with similar spellings: cheng zhang ying zhu rene ((((yang jie) OR (yang di))) or (yang jui)) ((wong sam) or (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cheng zhang ying zhu rene ((((yang jie) OR (yang di))) OR (yang jui)) ((wong sam) OR (wong siu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cheng zhang ying zhu rene ((((yang jie) OR (yang di))) or (yang jui)) ((wong sam) or (wong siu)) ;*".