Perhaps you should try some spelling variations:
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgerian
vulgariae » bulgariae, vulgarise, bulgaricae
bulgar » bulgare, vulgar, bulger
bulgarie » bulgareie, vulgarie, bulgerie, bulgarien, bulgaria, vulgaris
bulgerie » bulgarien, bulgariae, 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: ((bulgarian OR vulgariae) OR (bulgar OR (bulgarie OR bulgerie))).
• Adding a wildcard symbol may retrieve word variants: ((bulgarian or vulgariae) or (bulgar or (bulgarie or bulgerie)))*.