Perhaps you should try some spelling variations:
hyoung yang » kyoung yang
wan hyoung » wang hyoung, man houng, min hyoung
can change » urban change
change won » chang won, change women, change work
chang ha » chang mae
yang xi » yang di, yang yi, yang jui
hong yu » wong yue

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: wan hyoung yang xi can change won ((chang ha) OR (hong yu)) ;~.
• Adding a wildcard symbol may retrieve word variants: wan hyoung yang xi can change won ((chang ha) or (hong yu)) ;*.