Perhaps you should try some spelling variations:
fang zheng » fang sheng, tang zheng, wang zheng
fang zhen » fang sheng, tang zheng, wang zheng
tang liu » tang li, dong liu, tang jie
dong di » dong sin
yuan li » yuan lin, guan li, yuan zi
li tang » li gang, li tana, li wang
tang yi » yang yi, tang li, tan yi

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 ((tang liu) OR (dong di)) yuan li tang yi ((fang zheng) OR (fang zhen)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((tang liu) or (dong di)) yuan li tang yi ((fang zheng) OR (fang zhen)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((tang liu) or (dong di)) yuan li tang yi ((fang zheng) OR (fang zhen)) ;*.