Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
dann yuan » fang yuan, yan yuan
dong bin » dong sin, dong di, dann bin
bin dann » sein dann, bin da, ein dank
wang hui » wang hua, wang zhi, wang he
wang wei » zhang wei, wang zhi
yang yue » wang yue, yang yun, yang jui
yang xi » yang di, yang yi, yang jui

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

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