Perhaps you should try some spelling variations:
yuan tang » yuan ting, yuan wang, xuan thang
yuan kang » yuan wang, yuan chang, chan kang
fang dong » jeng dong
dong sign » dong sin, among sign, dong bin
dong di » dong sin
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) OR (yuan kang)) yi fang dong sign ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yan) or (dong di)) ya ((yuan tang) OR (yuan kang)) yi fang dong sign ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (dong di)) ya ((yuan tang) OR (yuan kang)) yi fang dong sign ;*.