Perhaps you should try some spelling variations:
bulgare » bulgarie, vulgare, bulgarien, bulgere, bulgariee
bulgarean » bulgariean, vulgarean, bulgarienan, bulgarian, bulgaren, bulgarians, bulgerean, bulgarieean
bulgarica » bulgarisch, bulgarian, bulgarien, vulgarica, bulgerica, bulgarieica
bulgar » vulgar, bulger, bulgarie
bulgaria » vulgaria, bulgeria, bulgarieia

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 (bulgarica OR bulgarean)) OR (bulgar OR bulgaria)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgare or (bulgarica or bulgarean)) or (bulgar OR bulgaria))".
• Adding a wildcard symbol may retrieve word variants: ((bulgare or (bulgarica or bulgarean)) or (bulgar OR bulgaria))*.