Perhaps you should try some spelling variations:
wang zheng » tang zheng, wang zhenpo, fang sheng
gang gong » gongs gong, gang sung, gong gang
gong meng » gong gang, gong min
fang zhen » fang sheng, tang zheng, fang zhou
yuan yi » yuan li, yuan fei, yuan hui
yuan zi » yan zi, yuan li, yuan fei
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: gang gong meng ((yuan yi) OR (yuan zi)) yang yi ((fang zhen) OR (wang zheng)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "gang gong meng ((yuan yi) OR (yuan zi)) yang yi ((fang zhen) or (wang zheng)) ;~".
• Adding a wildcard symbol may retrieve word variants: gang gong meng ((yuan yi) OR (yuan zi)) yang yi ((fang zhen) or (wang zheng)) ;*.