Perhaps you should try some spelling variations:
quang hong » quang cuong, zhang hong
ying chang » jin chang, yi chang, yin hang
chang mae » chang ha, changes made
wang hong » wang yong, wang hyoung, wang lihong
can wage » can we, non wage
mae can » made can, game can, more can
ong sar » kong sar, ong sean, wong sam

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: ying chang mae can wage ((wang hong) OR (quang hong)) ong sar ;~.
• Adding a wildcard symbol may retrieve word variants: ying chang mae can wage ((wang hong) or (quang hong)) ong sar ;*.