Perhaps you should try some spelling variations:
fang zheng » fang sheng, fang zhen, tang zheng
sang minh » kang minah, anh minh, song min
tang min » chang min, yang mind, tang li
yuan zi » yan zi, yuan fei, yuan hui
yuan li » yuan lin, guan li, dayuan li
yang yi » yang di, yang xi, yang jui
yi fang » yin fang, yi gang, yi yang

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