Perhaps you should try some spelling variations:
fang zheng » fang sheng, tang zheng, wang zheng
wang yang » wang yan, wang liang, wang yanling
fang zhen » fang sheng, tang zheng, wang zheng
yang liu » yang li, yang lin, yang di
yuan yi » yuan zi, yuan fei, yuan hui
yuan li » yuan lin, guan li, yuan zi
yang yi » yang di, yang xi, 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 yang liu ((yuan yi) OR (yuan li)) yang yi ((fang zheng) OR (fang zhen)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang liu ((yuan yi) or (yuan li)) yang yi ((fang zheng) OR (fang zhen)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang liu ((yuan yi) or (yuan li)) yang yi ((fang zheng) OR (fang zhen)) ;*.