Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
wuhan ching » wuhan china
seung joon » kyung joon, seung won, seung yeon
jeong yeon » jeong hyeok, jeang yean, seung yeon
chang hari » chang ha, chang part, shang hai
ching wen » ching kwan, ching fein, ching hea

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 xiaoping wuhan ching wen ((seung joon) OR (jeong yeon)) chang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaoping wuhan ching wen ((seung joon) or (jeong yeon)) chang hari ;*.