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