Perhaps you should try some spelling variations:
bulgaricae » bulgarica, bulgarische, bulgaria, bulgareicae, vulgaricae, bulgericae
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgerian
vulgarie » vulgarise, vulgaris, vulgare
bulgareiae » bulgariae, bulgaria, bulgarie, bulgareeiae, vulgareiae, bulgereiae
vulgaricae » bulgarica, bulgariae, vulgaridad
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: (((((bulgaricae OR bulgarian) OR vulgarie) OR bulgareiae) OR vulgaricae) OR (bulgar OR bulge)).
• Adding a wildcard symbol may retrieve word variants: (((((bulgaricae or bulgarian) or vulgarie) or bulgareiae) or vulgaricae) or (bulgar or bulge))*.