Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
tong shui » tong hui, cong shu, gong hui
sang min » sang minh, song min, tang min
wang hui » wang hua, wang zhi, wang wei
le sang » lee sang, le dang
di le » ii le, de le

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yang di le sang min ((tong shui) or (wang hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang di le sang min ((tong shui) OR (wang hui)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yang di le sang min ((tong shui) or (wang hui)) ;*.