Perhaps you should try some spelling variations:
bulgarie » bulgarien, bulgarian, vulgaris, bulgareie, vulgarie, bulgerie
bulgariaie » bulgariae, bulgarian, bulgarians, bulgareiaie, vulgariaie, bulgeriaie
vulgarie » vulgarise, vulgaris, vulgare
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: (((bulgarie OR bulgaria) OR (bulgariaie OR vulgarie)) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: (((bulgarie or bulgaria) or (bulgariaie or vulgarie)) or bulgar)*.