Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
ka chuan » say chuan, hai chuan, ka chai
jiu wong » jiu cong, ji won, kie wong
wong siu » wong shiu, kong siu, wong sau
ya chua » ya hua
yee yan » see yan, yee shan, yee tuan
yan jiu » yang jie, yang jin, pang jiu
dong » doing, long, done

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong sin) or (yang yang)) ((ya chua) or (ka chuan)) yee yan jiu wong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong sin) OR (yang yang)) ((ya chua) OR (ka chuan)) yee yan jiu wong siu ;.
• Adding a wildcard symbol may retrieve word variants: ((dong sin) or (yang yang)) ((ya chua) or (ka chuan)) yee yan jiu wong siu ;*.