Perhaps you should try some spelling variations:
vulgaria » bulgaria, vulgaris, vulgari
bulgarie » bulgarien, bulgaria, vulgaris, bulgareie, vulgarie, bulgerie
bulgerie » bulgarien, bulgariae, bulgaria
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgerian
bulgarica » bulgaria, bulgarisch, bulgarien, bulgareica, vulgarica, bulgerica
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: ((vulgaria OR ((bulgarie OR bulgerie) OR (bulgarian OR bulgarica))) OR (bulgar OR bulge)).
• Adding a wildcard symbol may retrieve word variants: ((vulgaria or ((bulgarie or bulgerie) or (bulgarian or bulgarica))) or (bulgar or bulge))*.