Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
dann yuan » fang yuan, yan yuan
sin dann » sein dann, bin dann, ein dank
ling hui » xing hui, ling li, ling xu
wang hui » wang hua, wang zhi, wang wei
yang yun » yang jun, tang yun, yang yue
dong » doing, long, done

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong sin dann yuan cheng ((ling hui) OR (wang hui)) ((yang yun) or (yang di)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong sin dann yuan cheng ((ling hui) OR (wang hui)) ((yang yun) OR (yang di)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong sin dann yuan cheng ((ling hui) OR (wang hui)) ((yang yun) or (yang di)) ;*".