Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yan liang » yang liang, wang liang, you liang
yang yang » wang yang, wang yan
yan wang » yuan wang, qian wang, yan zhang
yuan hui » yuan fei, jaan hui, tuan hua
pei yun » lei kyun, mei yung, pei yang
ii long » i long, ii losung
long du » long d, long do, long run

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: ((((((yan wang) OR (yan liang))) OR (yang yang))) OR (yang guang)) yuan hui pei yun ii long du ;~.
• Adding a wildcard symbol may retrieve word variants: ((((((yan wang) or (yan liang))) or (yang yang))) or (yang guang)) yuan hui pei yun ii long du ;*.