Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
chang min » zhang ming, chang mae, chan ming
sang minh » kang minah, anh minh, song ming
song min » song ming, gong min, jong min
tong hui » wang hui
yang yi » yang di, yang xi, yang jui
yi lee » ii lee, yu lee

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 yi lee ((chang min) or (((sang minh) or (song min)))) tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang yi lee ((chang min) OR (((sang minh) OR (song min)))) tong hui ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yang yi lee ((chang min) or (((sang minh) or (song min)))) tong hui ;*.