Perhaps you should try some spelling variations:
wang yuan » wang yuhan, wang yan, fang yuan
yuan wang » yan wang, yuan kang, yuan chang
lan minh » tuan minh, land mine, sang minh
gong hui » tong hui, tong shui, wang hui
wang li » wang lei, wang lin, tang li
lai lan » li lan, mai land
li lai » li lan, li li, li tai
cong » congo, long, hong

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 wang li lai lan minh ((cong shu) or (gong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuan wang li lai lan minh ((cong shu) OR (gong hui)) ;*.