Perhaps you should try some spelling variations:
zhang yan » zhang fan, zhang jian, wang yan
yang muxi » yang xi, yang mu
yang hui » wang hui, zhang hui, yang di
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang xi
wong sau » wong sam, wong siu, wong shiu
rene » rent, gene

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: zhang yan ((yang hui) OR (yang muxi)) rene ((yang jin) OR (yang jui)) wong sau ;~.
• Adding a wildcard symbol may retrieve word variants: zhang yan ((yang hui) or (yang muxi)) rene ((yang jin) or (yang jui)) wong sau ;*.