Perhaps you should try some spelling variations:
wang liang » wang yang
yang yang » wang yang, wang yan
chen zhen » chen zhe
zhen yong » chen yong, zheng rong, zheng cong
tong shui » tong hui, cong shu
wang ban » wang yan, wang dan, wang yang
gong hui » tong hui, wang hui, gong si

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 ban ((wang liang) OR (yang yang)) chen zhen yong ((tong shui) OR (gong hui)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ban ((wang liang) or (yang yang)) chen zhen yong ((tong shui) or (gong hui)) ;*.