Perhaps you should try some spelling variations:
song byung » song bing, song yun, sung myung
sang yoo » sang yu
yang yao » yang yang, wang yan, yang yi
kyu song » kyu sung, hyun song, kim song
long shu » cong shu, tong shui
yang li » yang lin, yang di, yang xi
long du » long d, long do, long run
li kyu » yi kyu, lei kyun

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((sang yoo) or (yang yao)) yang li kyu song byung ((long shu) OR (long du)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((sang yoo) OR (yang yao)) yang li kyu song byung ((long shu) OR (long du)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((sang yoo) or (yang yao)) yang li kyu song byung ((long shu) OR (long du)) ;*".