Perhaps you should try some spelling variations:
bulgarie » bulgarien, bulgarian, vulgaris, bulgareie, vulgarie, bulgerie
bulgariaie » bulgariae, bulgarian, bulgarians, bulgareiaie, vulgariaie, bulgeriaie
vulgaren » vulgare, vulgares, bulgaren
bulgaria » bulgareia, vulgaria, bulgeria
bulgar » bulgare, vulgar, bulger

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: ((bulgaria OR ((bulgarie OR bulgariaie) OR vulgaren)) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: ((bulgaria or ((bulgarie or bulgariaie) or vulgaren)) or bulgar)*.