Perhaps you should try some spelling variations:
yuan guan » quan guan, yan guan, yihan guan
guan rene » juan rene, glas rene
lang yan » wang yan, wang yang, zhang yan
yan yuan » yan guan, fang yuan, nan yan
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang yi
wong sam » wong sau, wong lai, kong sar
kong siu » kong eiu, wong siu, dong sin
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: lang yan yuan guan rene ((((yang jin) OR (yang xi))) OR (yang jui)) ((wong sam) OR (kong siu)) ;~.
• Adding a wildcard symbol may retrieve word variants: lang yan yuan guan rene ((((yang jin) or (yang xi))) or (yang jui)) ((wong sam) or (kong siu)) ;*.