Perhaps you should try some spelling variations:
wang yangming » wang yangming's, wang yanling, wang danning
wuhan china » tuan china, yunnan china
china chang » chin chang, china zhang, china changqi
than china » tuan china, han china, can china
jun chang » jin chang, joon chang, yuan chang
dan pang » dan yang, dan dana, dan pad

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)) dan pang ((jun chang) OR (china chang)) hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yangming ((than china) OR (wuhan china)) dan pang ((jun chang) or (china chang)) hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang yangming ((than china) OR (wuhan china)) dan pang ((jun chang) or (china chang)) hai ;*.