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