Perhaps you should try some spelling variations:
liang dan » liang tan, king dan, liang sun
kang yong » kang young, kong young, tan yong
wang yong » wang yang, wang hyoung, wang yan
cong van » congo can, duong van, cong sun
kim song » kim young, kim eung
y yuan » _ yuan, yan yuan
shin » skin, sein, thin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((cong van) or (liang dan))) or (dong sin)) y yuan ((kang yong) OR (wang yong)) kim song shin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((cong van) OR (liang dan))) OR (dong sin)) y yuan ((kang yong) OR (wang yong)) kim song shin ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((cong van) or (liang dan))) or (dong sin)) y yuan ((kang yong) OR (wang yong)) kim song shin ;*".