Perhaps you should try some spelling variations:
bulgarian » hungarian, bulgareian, vulgarian, bulgerian
bulgarica » bulgarisch, bulgarien, bulgarie, bulgareica, vulgarica, bulgerica
bulgaria » bulgareia, vulgaria, bulgeria
bulgar » bulgare, vulgar, bulger
bulges » bulge
bulgere » bulgare, bulger, bilgere

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: (((bulgarian OR bulgarica) OR bulgaria) OR ((bulgar OR bulges) OR bulgere)).
• Adding a wildcard symbol may retrieve word variants: (((bulgarian or bulgarica) or bulgaria) or ((bulgar or bulges) or bulgere))*.