Perhaps you should try some spelling variations:
yan chang » yuan chang, han chang, yan zhang
chang hua » chang ha, chang chuan, chang hsun
hua main » haul main, a main, hua ban
ying jin » yang jin, jing ji, yang jie
wong sam » wong sau, kong sar, von sam
yan jiu » yang jie, yang jin, pang jiu
wang » wing, wan, lang
lai » laid

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 chang hua main ((yan jiu) OR (ying jin)) ((wong sam) OR (wong lai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan chang hua main ((yan jiu) or (ying jin)) ((wong sam) or (wong lai)) ;*.