Perhaps you should try some spelling variations:
bulgare » bulgarie, bulgaria, vulgare, bulgere, bulgariae
vulgares » vulgar, vulgarly, lugares, vulgars, vulgarlys
bulgarien » bulgarian, bulgaria, vulgarien, bulgerien, bulgariaien
vulgare » vulgar, vulgarly
vulgaris » bulgaria, vulgar
bulgar » vulgar, bulger, bulgaria

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