Perhaps you should try some spelling variations:
bulgare » vulgare, bulgarien, bulgaria, bulgere, bulgariae
bulgarie » bulgarien, bulgaria, bulgarian, vulgarie, bulgerie, bulgariaie
bulgarica » bulgaria, bulgarisch, bulgarian, vulgarica, bulgerica, bulgariaica
bulgariaeian » bulgarian, bulgarien, bulgarean, vulgariaeian, bulgeriaeian, bulgariaiaeian
bulgar » vulgar, bulger, 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: (((bulgare OR bulgarie) OR (bulgarica OR bulgariaeian)) OR bulgar).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgare OR bulgarie) or (bulgarica or bulgariaeian)) or bulgar)".
• Adding a wildcard symbol may retrieve word variants: (((bulgare OR bulgarie) or (bulgarica or bulgariaeian)) or bulgar)*.