Perhaps you should try some spelling variations:
bulgarie » bulgarien, bulgarian, vulgaris, bulgareie, vulgarie, bulgerie
vulgarly » vulgar, vulgaris
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 vulgarly) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: (((bulgarie or bulgaria) or vulgarly) or bulgar)*.