Perhaps you should try some spelling variations:
tang zheng » wang zheng, tan cheng
fang zhen » wang zheng, fang zhou
yang chin » yang chik, hang china, yang jin
chin fang » chin chang, china wang, china yang
yuan yin » yuan lin, yuan ming, yuan ting
yin yang » ying yang, yi yang, yin fang
sheng » cheng

You may be able to get more results by adjusting your search query.

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