Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
fang yuan » wang yuhan, wang yan, meng yuan
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
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: fang yuan chang hua main ((yan jiu) OR (ying jin)) ((wong sam) OR (wong lai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fang yuan chang hua main ((yan jiu) or (ying jin)) ((wong sam) OR (wong lai)) ;~".
• Adding a wildcard symbol may retrieve word variants: fang yuan chang hua main ((yan jiu) or (ying jin)) ((wong sam) OR (wong lai)) ;*.