Perhaps you should try some spelling variations:
wang yuan » wang yuhan, wang yan, fang yuan
yang mind » yang cindy, yang jin, tang min
sang minh » kang minah, anh minh, song min
shang hai » shang kai, dang hai, chang ha
chang mae » chang ha, changes made
yuan kai » yuan kang, yuan fei, tan kai
kai chai » ka chai, goi chai, kim chai
chai dan » chai onn, chai tam, shi dan

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