Perhaps you should try some spelling variations:
bulgare » bulgarie, bulgarien, bulgaria, vulgare, bulgere, bulgariae
bulgarian » bulgaria, hungarian, vulgarian, bulgerian, bulgariaian
vulgare » vulgar, vulgaris, vulgarly
bulgar » vulgar, bulger, bulgaria

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: ((((bulgare OR bulgarian) OR vulgare) OR vulgare) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: ((((bulgare or bulgarian) or vulgare) or vulgare) or bulgar)*.