Perhaps you should try some spelling variations:
bulgarie » bulgarien, bulgaria, bulgarian
bulgareicae » bulgaricae, bulgariae, vulgareicae, bulgarienicae, bulgariaicae
bulgeria » bulgaria, bulweria, bulgarian, bulgesia
bulgarica » bulgaria, bulgarisch, bulgarian
bulger » bulges
bulgare » vulgare, bulgarien, bulgaria

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: ((bulgarie OR (bulgareicae OR (bulgeria OR bulgarica))) OR ((bulger OR bulgare) OR bulge)).
• Adding a wildcard symbol may retrieve word variants: ((bulgarie or (bulgareicae or (bulgeria or bulgarica))) or ((bulger or bulgare) or bulge))*.