Perhaps you should try some spelling variations:
bulgare » bulgarie, vulgare, bulgaria, bulgere, bulgariae
vulgaris » bulgaria, vulgar
vulgarisee » bulgariaee, vulgaree, vulgarise, vulgarises, vulgariter
bulgarien » bulgarian, bulgaria, vulgarien, bulgerien, bulgariaien
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: ((bulgaars OR ((bulgare OR vulgaris) OR (bulgarien OR vulgarisee))) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: ((bulgaars or ((bulgare or vulgaris) or (bulgarien or vulgarisee))) or bulgar)*.