Perhaps you should try some spelling variations:
wang yuan » wang yuhan, wang yan, fang yuan
chai wang » chen wang
wang yang » wang yan, wang liang, wang yanling
yang mind » yang cindy, yang jin, sang minh
shang hai » shang kai, chang ha, hong hai
yuan kai » yuan kang, yuan fei, tan kai
kai chai » ka chai, goi chai, kim chai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuan kai chai wang yang mind ((shang hai) or (dang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuan kai chai wang yang mind ((shang hai) OR (dang hai)) ;*.