Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
wei yang » pei yang, wei wang, wei yang's
lei kyun » lee kyung, lee kyu
tan hua » tuan hua, wang hua, tan chia
pei yun » mei yung, pei yang, wei yuan
de long » le long, de longue
long du » long d, long do, long run

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