Perhaps you should try some spelling variations:
wang yidan » wang yan
yang liang » wang liang, yan liang, yang yang
you liang » you xian, you liangzhi
chen chen » chen zhen, chen chuan, chen chung
chen rong » chen yang
rong tong » wong tony, tong song
tong hui » wang hui

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 yanling) OR (wang yidan)) ((you liang) OR (yang liang)) chen chen rong tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yanling) or (wang yidan)) ((you liang) or (yang liang)) chen chen rong tong hui ;*.