Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
wang dan » wang yan, wang ban, wang yidan
kong eiu » tonga eiu
wong sau » wong sam, wong siu, wong shiu
dan hui » wang hui, jaan hui, yang hui
hui ren » hai ren, hua ren
yan min » han min, kan min, yang mind

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 dan hui ren yan min ((kong eiu) OR (wong sau)) ;~.
• Adding a wildcard symbol may retrieve word variants: yuan wang dan hui ren yan min ((kong eiu) or (wong sau)) ;*.