Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
wong shiu » wong siu, cong shu, song shin
wai wang » wei wang, hwa wang, wai yan
lin sang » shin sang, lee sang, kil sang
tong hui » wang hui
li wang » l wang, li gang, li wing
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 wang) OR (li wang)) yang xi lin sang minh ((wong shiu) or (tong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wai wang) OR (li wang)) yang xi lin sang minh ((wong shiu) OR (tong hui)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wai wang) OR (li wang)) yang xi lin sang minh ((wong shiu) or (tong hui)) ;*".