Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
wuhan ching » wuhan china
seung yeon » seung joon, 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
seung won » seung joon, seung youn, myung won

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