Perhaps you should try some spelling variations:
bulgare » bulgarie, vulgare, bulgarien, bulgere, bulgariee
bulgariia » bulgarica, bulgaricae, bulgarian, bulgeriia, bulgarieiia
bulgaria » bulgeria, bulgarieia
bulgar » bulger, bulgarie

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: ((bulgare OR (bulgariia OR bulgaria)) OR (bulgar OR vulgar)).
• Adding a wildcard symbol may retrieve word variants: ((bulgare or (bulgariia or bulgaria)) or (bulgar or vulgar))*.