Perhaps you should try some spelling variations:
vulgariae » bulgariae, bulgaricae, vulgaridad
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
vulgarise » vulgarises, vulgaris, vulgariter
vulgarisee » vulgarisese, vulgarise, vulgaritere, vulgarises, vulgaris, vulgariter
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 bulgarian) OR ((vulgarise OR vulgarisee) OR bulgarica)) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((vulgariae or bulgarian) or ((vulgarise or vulgarisee) or bulgarica)) or (bulgar or bulger))*.