Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
lee zhang » lee chang, lee ching, lee sang
zhang xin » zhang jian, zhang ming, zhang fan
yang hui » wang hui, yang muxi, zhang hui
yang jui » yang judy, yang di, yang yi
xin hong » tin hong, min hong, xie hong
hong sau » wong sau, hong paul, kong sar
yang xi » yang di, yang yi

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: yuan wang ((((yang hui) OR (yang jui))) OR (yang xi)) lee zhang xin hong sau ;~.
• Adding a wildcard symbol may retrieve word variants: yuan wang ((((yang hui) or (yang jui))) or (yang xi)) lee zhang xin hong sau ;*.