Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
wang yang » wang yan, wang liang, wang yanling
yang yuan » fang yuan, yan yuan, yang yun
ran wang » yan wang, qian wang, yuan wang
yang jie » yang jin, yang jui, yang jun
yang yi » yang jui
yang xi » yang jui
hai » hadi, haji, hari

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

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