Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
cheng ying » cheng bing, cheng ling, cheng ming
dann yuan » fang yuan, yan yuan
dong wei » wang wei, dong di, dong hoi
wei dann » sein dann, wenn dann, wei aun
ying jin » yang jin, jing ji, yang jie
yang jui » yang judy, yang yi
yang xi » yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong wei dann yuan cheng ying jin ((((yang di) or (yang xi))) or (yang jui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong wei dann yuan cheng ying jin ((((yang di) OR (yang xi))) OR (yang jui)) ;*.