Perhaps you should try some spelling variations:
yan hoang » tran hoang, tan hong, anh hoang
hoang hua » wang hua, hoang vu, dong hua
yang john » young john, king john, yang jin
hua chen » jui chen, yu chen, a chen
yang jui » yang judy, yang di, yang xi
wong sau » wong sam, wong shiu, wong lai
wong siu » wong shiu, kong siu, wong siew
von sam » von sa, von sap, von scham
wang » wing, wan, lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan hoang hua chen ((yang john) or (yang jui)) ((((wong sau) or (wong siu))) or (von sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan hoang hua chen ((yang john) OR (yang jui)) ((((wong sau) OR (wong siu))) OR (von sam)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yan hoang hua chen ((yang john) or (yang jui)) ((((wong sau) or (wong siu))) or (von sam)) ;*.