Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgerian
vulgaris » bulgaria, vulgar
bulgareiae » bulgariae, bulgaria, bulgarie, bulgareeiae, vulgareiae, bulgereiae
bulgariia » bulgaria, bulgarica, bulgaricae, bulgareiia, vulgariia, bulgeriia
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: (((((vulgariae OR bulgarian) OR vulgaris) OR bulgareiae) OR bulgariia) OR (bulgar OR bulge)).
• Adding a wildcard symbol may retrieve word variants: (((((vulgariae or bulgarian) or vulgaris) or bulgareiae) or bulgariia) or (bulgar or bulge))*.