Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, vulgariae, bulgariaiae, bulgarieiae
bulgareiae » bulgaria, bulgarian, bulgarie, vulgareiae, bulgariaeiae, bulgarieeiae, bulgarieiae, bulgarieniae
vulgarise » vulgarisee, vulgarises, vulgaris
bulgarica » bulgaria, bulgarisch, bulgarian, vulgarica, bulgariaica, bulgarieica
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: (((bulgariae OR bulgareiae) OR (vulgarise OR bulgarica)) OR ((bulgar OR bulgare) OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgareiae) or (vulgarise or bulgarica)) or ((bulgar or bulgare) or bulger))*.