Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
sang minh » kang minah, anh minh, song min
congo shu » cong shu
song thin » song shin, song min
yong yan » yang yang, dong yang, ying yang
song jin » song min, shang jin, song shin
yi sang » yi gang, yi yang, yi sang's
yan di » yang di, pan di, yan zi
di yi » dai yi, li yi, qi yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong yan di yi sang minh ((congo shu) or (((song thin) OR (song jin)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong yan di yi sang minh ((congo shu) OR (((song thin) OR (song jin)))) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong yan di yi sang minh ((congo shu) or (((song thin) OR (song jin)))) ;*".