Perhaps you should try some spelling variations:
han china » hang china, than china, can china
ren yang » ren yan, chen yang, dan yang
yang jie » yang jin, yang di, yang jui
wong sam » wong sau, wong lai, kong sar
non same » non state, non frame, non sales
tan hua » tuan hua, wang hua, tan chia
wang » wing, wan, lang

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 hyoung ((tan hua) OR (han china)) ren yang jie ((wong sam) OR (non same)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang hyoung ((tan hua) or (han china)) ren yang jie ((wong sam) or (non same)) ;*.