Perhaps you should try some spelling variations:
bulgare » bulgarie, vulgare, vulgares, bulgere, bulgariee
bulgarien » bulgarian, bulgerien, bulgarieien
bulgerie » bulgarie, bulgariae, algerie
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: ((bulgaars OR ((bulgare OR (bulgarien OR bulgaria)) OR bulgerie)) OR (bulgar OR vulgar)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgaars or ((bulgare or (bulgarien or bulgaria)) or bulgerie)) or (bulgar OR vulgar))".
• Adding a wildcard symbol may retrieve word variants: ((bulgaars or ((bulgare or (bulgarien or bulgaria)) or bulgerie)) or (bulgar OR vulgar))*.