Perhaps you should try some spelling variations:
wang danning » wang yanling, wang daoping, wang yangming
luong thanh » long thanh, truong thanh
hang china » han china, change china, ghana china
chen zhang » cheng zhang, zhen zhang, chen zheng
zhang hui » zhang yuhui, zhang shuo, chuang hui
yang jin » yang jie, yang jun, ying jin

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang danning ((hang china) OR (yang jin)) chen zhang hui ((wang zhi) OR (luong thanh)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang danning ((hang china) or (yang jin)) chen zhang hui ((wang zhi) or (luong thanh)) ;*.