Perhaps you should try some spelling variations:
chung kang » chung kay, chung tong
hang china » han china, change china, ghana china
chan kang » chan eng, chan fong, chan jan
china won » china women, china wang, china who
yang jun » yang jui, pang jun, yang judy
yang jin » yang jie, ying jin, shang 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 (chan kang)) hang china won ((yang jun) OR (yang jin)) tong hui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((chung kang) OR (chan kang)) hang china won ((yang jun) or (yang jin)) tong hui ;~".
• Adding a wildcard symbol may retrieve word variants: ((chung kang) OR (chan kang)) hang china won ((yang jun) or (yang jin)) tong hui ;*.