Perhaps you should try some spelling variations:
chung kang » chan kang, chung tong
hang china » han china, change china, ghana china
chung kay » chung jae
china won » china women, china wang, china who
pang jun » yang jui
yang jin » yang jie, yang jun, ying jin
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: ((chung kang) OR (chung kay)) hang china won ((pang jun) OR (yang jin)) tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: ((chung kang) or (chung kay)) hang china won ((pang jun) or (yang jin)) tong hui ;*.