Perhaps you should try some spelling variations:
bulgare » bulgarie, vulgare, bulgaria, bulgariae, bulgariee
bulgarien » bulgarian, bulgaria, vulgarien, bulgariaien, bulgarieien
bulgariae » bulgaricae, bulgaria, bulgarian, vulgariae, bulgariaiae, bulgarieiae
bulgar » vulgar, bulgaria, bulgarie
bulger » bulge, bulges

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