Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
fang yuan » wang yuhan, wang yan, meng yuan
shang hai » shang kai, dang hai, chang ha
tan yang » dan yang, tan ying, tan yong
yao yang » yang yang
yang jin » yang jie, yang jun, ying jin
yang xi » yang yi, yang jui

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tan yang) or (yao yang)) fang yuan cheng ((yang jin) or (((yang xi) or (yang di)))) shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tan yang) OR (yao yang)) fang yuan cheng ((yang jin) OR (((yang xi) OR (yang di)))) shang hai ;.
• Adding a wildcard symbol may retrieve word variants: ((tan yang) or (yao yang)) fang yuan cheng ((yang jin) or (((yang xi) or (yang di)))) shang hai ;*.