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