Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
chaji tan » chai tam
yang mind » yang cindy, yang jin, sang minh
zhong tai » hong tan, hong hai, zhong zhi
yuan kai » yuan fei, tan kai, yuan hui
tan yang » dan yang, tan ying, tan yong
hai » hadi, haji, hari

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