Perhaps you should try some spelling variations:
vulgariae » vulgarise, bulgaricae, vulgaridad
bulgareiae » bulgaria, bulgarian, bulgarie, bulgareeiae, vulgareiae, bulgereiae
bulgariae » bulgaricae, bulgaria, bulgarian, bulgareiae, vulgariae, bulgeriae
bulgarica » bulgaria, bulgarisch, bulgarian, bulgareica, vulgarica, bulgerica
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: ((((hungarian OR vulgariae) OR bulgareiae) OR (bulgariae OR bulgarica)) OR (bulgar OR bulge)).
• Adding a wildcard symbol may retrieve word variants: ((((hungarian or vulgariae) or bulgareiae) or (bulgariae or bulgarica)) or (bulgar or bulge))*.