Perhaps you should try some spelling variations:
chia rain » china grain, china rail, chia lan
tan chia » tuan china, than china, can china
yang jin » yang jie, yang jun, ying jin
wong siu » wong shiu, kong siu, wong sau
yan tan » tan tan, yan clan, yan guan
yan jiu » yang jie, pang jiu
wang » wing, wan, lang

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: wang yan tan chia rain ((yan jiu) OR (yang jin)) wong siu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan tan chia rain ((yan jiu) or (yang jin)) wong siu ;*.