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