Perhaps you should try some spelling variations:
byung kook » myung koo
song byung » song bing, song yun, sung myung
kook kang » koo kang, fook kwang, deok kang
yang jui » yang judy, yang yi
yang jun » pang jun, yang jin, yang judy
kim song » kim young, kim eung
yang xi » yang yi
wang » wing, wan, lang

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 yan ((((((yang jui) OR (yang xi))) OR (yang di))) OR (yang jun)) kim song byung kook kang ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan ((((((yang jui) or (yang xi))) or (yang di))) or (yang jun)) kim song byung kook kang ;*.