Perhaps you should try some spelling variations:
congo shu » cong shu
song skin » song shin, song jin
yan clan » yan guan, yan yuan
das clan » das bilan, das land, das cern
gong min » jong min, gong meng, song ming
song min » song ming, jong min, song jin
dai yi » bai yi, tai yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang ((yan clan) OR (das clan)) dai yi ((gong min) or (song min)) ((congo shu) or (song skin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((yan clan) OR (das clan)) dai yi ((gong min) OR (song min)) ((congo shu) OR (song skin)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((yan clan) OR (das clan)) dai yi ((gong min) or (song min)) ((congo shu) or (song skin)) ;*".