Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarie, bulgareiae, vulgariae, bulgariaiae
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
vulgaricae » bulgaricae, bulgarica, vulgaridad, bulgaricaee, vulgaridade
vulgarica » bulgarica, bulgaricae, vulgaridad
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: (((bulgariae OR bulgarian) OR (vulgaricae OR vulgarica)) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgarian) or (vulgaricae or vulgarica)) or (bulgar or bulger))*.