Perhaps you should try some spelling variations:
wang danning » wang yanling, wang daoping, wang yangming
yunnan china » urban china, wuhan china, yunnan sheng
than china » han china, wuhan china, can china
tuan china » wuhan china, can china, taiwan china
boon siong » soon siong, boon chong
yang boon » ong boon
siong hai » hong hai, shang hai
dan yang » daun yang, tan yang, wang yang

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 ((than china) OR (((tuan china) OR (yunnan china)))) dan yang boon siong hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang danning ((than china) or (((tuan china) or (yunnan china)))) dan yang boon siong hai ;*.