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