Perhaps you should try some spelling variations:
china zhang » china chang, cheng zhang, chin chang
yang guang » yang yang, yan guan
yang liang » wang liang, yan liang, yang yang
zhang rong » zheng rong, zhang hong, zhang ming
bin china » qin china, can china, dan china
gong hui » tong hui, tong shui, 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 ((yang guang) OR (yang liang)) bin china zhang rong ((cong shu) OR (gong hui)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yang guang) or (yang liang)) bin china zhang rong ((cong shu) or (gong hui)) ;*.