Perhaps you should try some spelling variations:
dang hung » dang cuong, fung hung, ming hung
hung yong » zhong yong, wang yong, hu yong
hua irene » hua ren
chang won » chang soon, chang ann, chang min
yong hua » dong hua, ying hua, wang hua
chang ha » chang mae
yang lin » yang jin, wang lin, yang li
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: dang hung yong hua irene ((((chang won) OR (chang ha))) OR (yang lin)) hong yu ;~.
• Adding a wildcard symbol may retrieve word variants: dang hung yong hua irene ((((chang won) or (chang ha))) or (yang lin)) hong yu ;*.