Perhaps you should try some spelling variations:
wang yuan » wang yuhan, wang yan, fang yuan
lee song » lee sang, lee sing, lee sons
song min » song ming, gong min, jong min
cong van » congo can, duong van, cong sun
yuan zi » yan zi, yuan li, yuan fei
hui lee » zhuo lee
zi hui » li hui, yi hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuan zi hui lee song min ((cong shu) or (cong van)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuan zi hui lee song min ((cong shu) OR (cong van)) ;*.