Perhaps you should try some spelling variations:
wang xiaoping » deng xiaoping, wang xiaolin, huang xiaoting
wuhan ching » wuhan china
seung yeon » seung joon, seung won, seung youn
jeong yeon » jeong hyeok, jeang yean, jeong dahyeon
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) OR (wang xiaodong)) wuhan ching wen ((seung yeon) OR (jeong yeon)) chang hari ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang xiaoping) OR (wang xiaodong)) wuhan ching wen ((seung yeon) or (jeong yeon)) chang hari ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang xiaoping) OR (wang xiaodong)) wuhan ching wen ((seung yeon) or (jeong yeon)) chang hari ;*.