Perhaps you should try some spelling variations:
tang zheng » wang zheng, fang sheng, tan cheng
wang tang » wang yang, tang tang, wang liang
fang zhen » fang sheng, wang zheng, fang zhou
tang jie » yang jie, tang li, yang jin
yuan yi » yuan zi, yuan fei, yuan hui
yuan li » yuan lin, guan li, yuan zi
yang xi » yang di, yang yi, yang jui

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