Perhaps you should try some spelling variations:
wang yangming » wang yangming's, wang yanling, wang danning
yunnan china » urban china, tuan china, yunnan sheng
wuhan china » tuan china
than china » tuan china, han china, can 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 yangming ((than china) OR (((wuhan china) OR (yunnan china)))) dan yang boon siong hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yangming ((than china) or (((wuhan china) OR (yunnan china)))) dan yang boon siong hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang yangming ((than china) or (((wuhan china) OR (yunnan china)))) dan yang boon siong hai ;*.