Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
rong fang » jing fang, weng fang
fang yuan » wang yuhan, wang yan, meng yuan
shang kai » shang hai
ying jin » yang jin, jing ji, yang jie
yang yi » yang jui
yang xi » yang jui
qian » ian, kian, jian

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: qian rong fang yuan cheng ((((yang yi) OR (((ying jin) OR (yang xi))))) OR (yang di)) shang kai ;~.
• Adding a wildcard symbol may retrieve word variants: qian rong fang yuan cheng ((((yang yi) or (((ying jin) or (yang xi))))) or (yang di)) shang kai ;*.