Perhaps you should try some spelling variations:
vulgarise » vulgarisee, vulgarises, vulgariter, bulgariae
bulgaricae » bulgarica, bulgarische, bulgaria, bulgareicae, bulgariaicae, bulgarieicae
bulgarian » bulgaria, hungarian, bulgareian, bulgariaian, bulgarieian
vulgaris » bulgaria
bulgar » bulgare, bulgaria, bulgarie
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: ((vulgarise OR (bulgaricae OR (bulgarian OR (vulgaris OR vulgar)))) OR (bulgar OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vulgarise or (bulgaricae or (bulgarian or (vulgaris OR vulgar)))) or (bulgar or bulger))".
• Adding a wildcard symbol may retrieve word variants: ((vulgarise or (bulgaricae or (bulgarian or (vulgaris OR vulgar)))) or (bulgar or bulger))*.