Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
yang yuan » fang yuan, yan yuan, yang yun
shang kai » shang hai
ran ying » fan ying, tan ying, gao ying
jin ying » li ying
yang jie » yang jin, yang jui, yang yi
yang xi » yang yi, yang jui

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((ran ying) OR (jin ying)) yang yuan cheng ((((yang xi) OR (yang jie))) OR (yang di)) shang kai ;~".
• Adding a wildcard symbol may retrieve word variants: ((ran ying) OR (jin ying)) yang yuan cheng ((((yang xi) OR (yang jie))) OR (yang di)) shang kai ;*.