Perhaps you should try some spelling variations:
yan wang » yuan wang, yang yang, qian wang
hua chen » jui chen, yu chen, a chen
chen yan » chen yang, chen tan, chen yun
wong siu » wong shiu, kong siu, wong siew
wong sau » wong sam, wong shiu, wong lai
nan yan » nan ya, wang yan, qian yan
yan jie » yang jie, yan jiu, yang jin
von sam » von sa, von sap, von scham

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: nan yan wang hua chen yan jie ((von sam) OR (((wong siu) OR (wong sau)))) ;~.
• Adding a wildcard symbol may retrieve word variants: nan yan wang hua chen yan jie ((von sam) or (((wong siu) or (wong sau)))) ;*.