Perhaps you should try some spelling variations:
yang guang » yang liang
yang yang » wang yang, wang yan
yan guan » gan guan, yan yuan, yihan guan
tuan hua » tan hua, tuan vu, yuan hui
pei yang » wei yang, hui yang, yi yang
pei yun » lei kyun, mei yung, wei yuan
de long » le long, de longue
long do » long d, long du, longer do

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) OR (yan guan)))) tuan hua ((pei yang) or (pei yun)) de long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (((yang guang) OR (yan guan)))) tuan hua ((pei yang) OR (pei yun)) de long do ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (((yang guang) OR (yan guan)))) tuan hua ((pei yang) or (pei yun)) de long do ;".
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (((yang guang) OR (yan guan)))) tuan hua ((pei yang) or (pei yun)) de long do ;*.