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