Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
sang minh » kang minah, anh minh, song min
wong shiu » wong siu, cong shu, song shin
tong shui » tong hui, cong shu, gong hui
wai yang » wai yan, wei yang, wang yang
lin sang » shin sang, lee sang, kil sang
yang xi » yang di, yang yi, yang jui
xi lin » li lin, yi lin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wai yang yang xi lin sang minh ((wong shiu) or (tong shui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wai yang yang xi lin sang minh ((wong shiu) OR (tong shui)) ;*.