Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
wang yuan » wang yuhan, fang yuan, wang xuan
wong laid » wong lai, kong land
yan wang » yuan wang, yang yang, qian wang
yang jie » yang jin, yang di, yang xi
yang jui » yang judy, yang di, yang xi
jing ji » ying jin

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 wang yuan cheng ((((yang jie) OR (jing ji))) OR (yang jui)) ((kong sar) OR (wong laid)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan wang yuan cheng ((((yang jie) or (jing ji))) or (yang jui)) ((kong sar) or (wong laid)) ;*.