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

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 yeon) OR (jeong yeon)) ((shang hai) OR (shang kai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaoping wuhan ching wen ((seung yeon) or (jeong yeon)) ((shang hai) OR (shang kai)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang xiaoping wuhan ching wen ((seung yeon) or (jeong yeon)) ((shang hai) OR (shang kai)) ;*.