Perhaps you should try some spelling variations:
chung kang » chan kang, chung kay, chung tong
rene chung » lee chung
yang yang » wang yang, wang yan
dang hung » dang cuong, fung hung, ming hung
kang tong » kang young
yang hua » wang hua, yang hui, ying hua
tong hui » wang hui

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: ((yang yang) OR (yang judy)) ((yang hua) OR (dang hung)) rene chung kang tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (yang judy)) ((yang hua) or (dang hung)) rene chung kang tong hui ;*.