Perhaps you should try some spelling variations:
bulgarie » bulgarien, bulgaria, bulgarian, bulgareie, vulgarie, bulgerie
bulgeriia » bulgaria, bulgarica, bulwerii
bulgariia » bulgaria, bulgarica, bulgaricae, bulgareiia, vulgariia, bulgeriia
vulgaria » bulgaria, vulgaris, vulgari
bulgar » bulgare, vulgar, bulger

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 ((bulgeriia OR bulgariia) OR vulgaria)) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: ((bulgarie or ((bulgeriia or bulgariia) or vulgaria)) or bulgar)*.