Perhaps you should try some spelling variations:
wing yan » wang yan, wing ian, wing tan
yang jin » yang jie, yang jun, ying jin
wong sam » wong lai, kong sar, von sam
wong sau » wong siu, wong shiu, wong lai
hua ren » hua chen
yang xi » yang di, yang jui
yang yi » yang di, yang jui
yan ya » nan ya, yang yao, yan yuan

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: wing yan ya hua ren ((((yang xi) OR (yang yi))) OR (yang jin)) ((wong sam) OR (wong sau)) ;~.
• Adding a wildcard symbol may retrieve word variants: wing yan ya hua ren ((((yang xi) or (yang yi))) or (yang jin)) ((wong sam) or (wong sau)) ;*.