Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
tuan hua » tan hua, tuan vu, yuan hui
pei yang » wei yang, hui yang, yi yang
pei yun » lei kyun, mei yung, wei yuan
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)) tuan hua ((pei yang) or (pei yun)) de ((long do) OR (long du)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yang guang)) tuan hua ((pei yang) OR (pei yun)) de ((long do) OR (long du)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (yang guang)) tuan hua ((pei yang) or (pei yun)) de ((long do) OR (long du)) ;".
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (yang guang)) tuan hua ((pei yang) or (pei yun)) de ((long do) OR (long du)) ;*.