Perhaps you should try some spelling variations:
wang yuan » wang yuhan, wang yan, fang yuan
yang mind » yang cindy, sang minh, tang min
zhong tai » hong tan, hong hai, zhong zhi
dang hari » dang hai
yuan kai » yuan kang, yuan fei, tan kai
kai chai » ka chai, goi chai, kim chai
chai tan » chai tam, chai onn
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 chai tan ((yang mind) OR (yang jin)) ((zhong tai) OR (dang hari)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuan kai chai tan ((yang mind) OR (yang jin)) ((zhong tai) or (dang hari)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yuan kai chai tan ((yang mind) OR (yang jin)) ((zhong tai) or (dang hari)) ;*.