Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
pei yang » wei yang, hui yang, pei yun
lei kyun » lee kyung, lee kyu, pei yun
tan hua » tuan hua, wang hua, tan chia
long do » long d, longer do, long ago
long du » long d, long run, long did

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (yang guang)) tan hua ((pei yang) or (lei kyun)) de ((long do) or (long du)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yang guang)) tan hua ((pei yang) OR (lei kyun)) de ((long do) OR (long du)) ;.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (yang guang)) tan hua ((pei yang) or (lei kyun)) de ((long do) or (long du)) ;*.