Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
zhang jing » zhang ming, zhang jin, zhang ting
zhang ping » zhang ming, zhang ting, zhang ying
yuan wang » yan wang, yuan kang, yuan chang
yan jian » yan liang, yang jin, gan jiao
jian she » can she, jia shen, jiao shi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yuan wang) or (yuan cheng)) yan jian she ((zhang jing) or (zhang ping)) hong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yuan cheng)) yan jian she ((zhang jing) OR (zhang ping)) hong seo ;.
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (yuan cheng)) yan jian she ((zhang jing) or (zhang ping)) hong seo ;*.