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