Perhaps you should try some spelling variations:
bulgare » bulgarie, vulgare, bulgarien, bulgere, bulgariae, bulgariee
bulgariae » bulgaricae, bulgaria, bulgarian, bulgeriae, bulgariaiae, bulgarieiae
bulgerien » bulgarien, bulgariens, bulgarian
vulgarien » bulgarien, bulgariens, vulgarisee
bulgar » bulger, bulgaria, bulgarie

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 bulgariae) OR (bulgerien OR vulgarien)) OR vulgar)) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: ((bulgaars or (((bulgare or bulgariae) or (bulgerien or vulgarien)) or vulgar)) or bulgar)*.