Perhaps you should try some spelling variations:
bulgare » bulgarie, vulgares, vulgare, bulgariee
bulgarien » bulgarian, vulgarien, bulgarieien
vulgare » vulgar, vulgaris, vulgarly
bulgaria » vulgaria, bulgarieia
bulgar » vulgar, bulgarie
bulger » bulge, bulges

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