Perhaps you should try some spelling variations:
yuan tang » yuan kang, yuan ting, yuan wang
dong sind » dong sin, dong bin
dong ping » dong sin, dong bin, dong jung
dong di » dong sin
ya yuan » yan yuan
tang yi » yang yi, tang li, tan yi
yi fang » yin fang, yi gang, yi yang
wang » wing, wan, lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (dong di)) ya yuan tang yi fang ((dong sind) OR (dong ping)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yan) or (dong di)) ya yuan tang yi fang ((dong sind) OR (dong ping)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (dong di)) ya yuan tang yi fang ((dong sind) OR (dong ping)) ;*.