Perhaps you should try some spelling variations:
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
vulgariae » vulgarise, bulgaricae, vulgaridad
bulgareiae » bulgaria, bulgarie, bulgaricae, bulgareeiae, vulgareiae, bulgariaeiae
bulgariae » bulgaricae, bulgaria, bulgarie, bulgareiae, vulgariae, bulgariaiae
bulgarica » bulgaria, bulgarisch, bulgarien, bulgareica, vulgarica, bulgariaica
bulgar » bulgare, vulgar, bulgaria
bulger » bulge, bulges

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 bulgareiae) OR (bulgariae OR bulgarica)) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((((bulgarian or vulgariae) or bulgareiae) or (bulgariae or bulgarica)) or (bulgar or bulger))*.