Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarie, bulgareiae, vulgariae, bulgeriae
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgerian
bulgarica » bulgaria, bulgarisch, bulgarien, bulgareica, vulgarica, bulgerica
bulgariaica » bulgariia, bulgareiaica, vulgariaica, bulgeriaica
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: ((bulgariae OR (bulgarian OR (bulgarica OR bulgariaica))) OR (bulgar OR bulge)).
• Adding a wildcard symbol may retrieve word variants: ((bulgariae or (bulgarian or (bulgarica or bulgariaica))) or (bulgar or bulge))*.