Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
wong shiu » wong siu, cong shu, song shin
tong shui » tong hui, cong shu, gong hui
wing tan » wing ian, liang tan, hong tan
yang yi » yang jui
yang xi » yang jui
li sang » le sang, li gang, li san

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing tan ((yang di) or (((yang yi) or (yang xi)))) li sang minh ((wong shiu) or (tong shui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing tan ((yang di) OR (((yang yi) OR (yang xi)))) li sang minh ((wong shiu) OR (tong shui)) ;.
• Adding a wildcard symbol may retrieve word variants: wing tan ((yang di) or (((yang yi) or (yang xi)))) li sang minh ((wong shiu) or (tong shui)) ;*.