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
yuan hui » yuan fei, jaan hui, tuan hua
pei yang » wei yang, hui yang, pei yun
yang kim » yong kim, kang kim, hyung kim
kim song » kim young, kim eung
tuan vu » thanh vu, tuan hua
song du » long du, song yun

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang guang) or (((yan guan) or (yang yang)))) ((yuan hui) or (tuan vu)) pei yang kim song du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang guang) OR (((yan guan) OR (yang yang)))) ((yuan hui) OR (tuan vu)) pei yang kim song du ;.
• Adding a wildcard symbol may retrieve word variants: ((yang guang) or (((yan guan) or (yang yang)))) ((yuan hui) or (tuan vu)) pei yang kim song du ;*.