Perhaps you should try some spelling variations:
wang yuan » wang yuhan, wang yan, fang yuan
yuan wang » yan wang, yuan kang, yuan chang
sang minh » kang minah, anh minh, song min
wong shiu » wong siu, cong shu, song shin
wang bei » wang wei, wang fei, wang lei
liv sang » lee sang, kil sang, le sang
gong hui » tong hui, tong shui, wang hui
bei liv » bei li

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuan wang bei liv sang minh ((wong shiu) or (gong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuan wang bei liv sang minh ((wong shiu) OR (gong hui)) ;*.