Perhaps you should try some spelling variations:
yang china » hang china, kong china, ming china
china wang » china yang, china chang, china zhang
wang sheng » fang sheng, wang zheng, wang susheng
wang fang » wang yang, weng fang, wang liang
fang zhen » fang sheng, tang zheng, wang zheng
yuan yin » yuan ming, yuan ting, yin yin
yuan lin » yuan li, duan lian, huang lin

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 fang zhen ((yuan yin) OR (yuan lin)) yang china wang sheng ;~.
• Adding a wildcard symbol may retrieve word variants: wang fang zhen ((yuan yin) or (yuan lin)) yang china wang sheng ;*.