Perhaps you should try some spelling variations:
wang yuan » wang yuhan, wang yan, fang yuan
kai chuan » hai chuan, ka chuan, say chuan
chuan dan » chuan dato, chuan bang, chuan fa
yang mind » yang cindy, sang minh, tang min
shang hai » shang kai, chang ha, hong hai
yuan kai » yuan kang, yuan fei, tan kai
yang jin » yang jie, yang jun, ying jin

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 yuan kai chuan dan ((yang mind) OR (yang jin)) ((shang hai) OR (dang hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuan kai chuan dan ((yang mind) OR (yang jin)) ((shang hai) or (dang hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yuan kai chuan dan ((yang mind) OR (yang jin)) ((shang hai) or (dang hai)) ;*.