Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
yan liang » yang liang, wang liang, you liang
yan guan » gan guan, yan yuan, yihan guan
yuan hui » yuan fei, jaan hui, tuan hua
lei kyun » lee kyung, lee kyu, pei yun
wei yang » pei yang, wei wang, wei yang's
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: ((yan liang) or (((yang guang) OR (yan guan)))) yuan hui ((lei kyun) or (wei yang)) de long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (((yang guang) OR (yan guan)))) yuan hui ((lei kyun) OR (wei yang)) de long du ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (((yang guang) OR (yan guan)))) yuan hui ((lei kyun) or (wei yang)) de long du ;*".