Perhaps you should try some spelling variations:
fang zheng » fang sheng, fang zhen, wang zheng
tang zheng » wang zheng, fang sheng, fang zhen
wang yang » wang yan, wang liang, wang yanling
yang liu » yang li, yang lin, yang di
yang yin » yang yi, yang jin, yang lin
yan zhi » wang zhi
yan zi » yuan zi, ban zi

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 ((yan zi) OR (yan zhi)) yang yin ((fang zheng) OR (tang zheng)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang liu ((yan zi) or (yan zhi)) yang yin ((fang zheng) OR (tang zheng)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang liu ((yan zi) or (yan zhi)) yang yin ((fang zheng) OR (tang zheng)) ;*.