Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
cheng ming » cheng bing, cheng ling, chen ping
wang yuan » wang yuhan, wang yan, fang yuan
wong siew » long view
dong skin » dong sin, dong bin
yan wang » yuan wang, yang yang, qian wang
kong siu » kong eiu, wong siu, dong sin
wai yan » wang yan, wei yang
ming ji » jing ji, ming yi, ying jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wai yan wang yuan cheng ming ji ((wong siew) or (((kong siu) or (((dong skin) OR (dof skin)))))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wai yan wang yuan cheng ming ji ((wong siew) OR (((kong siu) OR (((dong skin) OR (dof skin)))))) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wai yan wang yuan cheng ming ji ((wong siew) or (((kong siu) or (((dong skin) OR (dof skin)))))) ;*".