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, han china, can china
kyung joon » kyung woo, seung joon
yang joon » yang jin, yang jun
chang hai » chang ha, shang hai, change has

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