Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
bulgareian » bulgarean, bulgaria, bulgarians, bulgareeian, vulgareian, bulgariaeian
bulgar » bulgare, vulgar, bulgaria
bulgarien » bulgareien, vulgarien, bulgariaien, bulgaria

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: ((vulgariae OR (bulgarian OR bulgareian)) OR (((bulgar OR bulgarien) OR (bulger OR bulge)) OR bulges))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vulgariae or (bulgarian OR bulgareian)) or (((bulgar or bulgarien) or (bulger or bulge)) or bulges))*".