Perhaps you should try some spelling variations:
yang dewan » yang dean, wang dewen
wang yong » wang yang, wang hyoung, wang yan
zhong zhi » hong ghi, zhong tai
zhang zhi » wang zhi, zhang wei, zhang dai
hua rene » hua ren, juan rene
yang tan » yang fan, yang dean, yang yang
yong ka » ong ka, yang ka, yong kim
ka hua » ya hua, ka chuan

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 yong ka hua rene ((yang tan) OR (yang dewan)) ((zhong zhi) OR (zhang zhi)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong ka hua rene ((yang tan) or (yang dewan)) ((zhong zhi) or (zhang zhi)) ;*.