Perhaps you should try some spelling variations:
bulgare » vulgares, vulgare, bulgere
bulgarie » bulgarian, vulgaris, vulgarie, bulgerie
bulgarien » bulgariann, vulgarisn, bulgarian, vulgarien, bulgerien
vulgare » vulgar, vulgaris, vulgarly
bulgar » vulgar, bulger
bulgaria » vulgaria, bulgeria

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