Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wang yang » wang yan, wang liang, wang yanling
tuan hua » tan hua, tuan vu, yuan hui
pei yang » wei yang, hui yang, pei yun
yang kim » yong kim, kang kim, hyung kim
kim song » kim young, kim eung
song hui » tong hui, gong hui, sng hui

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (yang guang)) ((wang hua) OR (tuan hua)) pei yang kim song hui ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (yang guang)) ((wang hua) or (tuan hua)) pei yang kim song hui ;*.