Perhaps you should try some spelling variations:
vulgariae » bulgariae, bulgaricae, vulgaridad
vulgarise » vulgarisee, vulgarises, vulgaris
bulgarie » bulgarien, bulgaria, vulgaris, bulgareie, vulgarie, bulgariaie
bulgariaie » bulgariae, bulgaria, bulgarians, bulgareiaie, vulgariaie, bulgariaiaie
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
bulgarica » bulgaria, bulgarisch, bulgarien, bulgareica, vulgarica, bulgariaica
bulgar » bulgare, vulgar, bulgaria
bulger » bulge, bulges

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 vulgarise) OR ((bulgarie OR bulgariaie) OR (bulgarian OR bulgarica))) OR (bulgar OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((vulgariae OR vulgarise) or ((bulgarie or bulgariaie) or (bulgarian or bulgarica))) or (bulgar or bulger))".
• Adding a wildcard symbol may retrieve word variants: (((vulgariae OR vulgarise) or ((bulgarie or bulgariaie) or (bulgarian or bulgarica))) or (bulgar or bulger))*.