Perhaps you should try some spelling variations:
vulgarian » bulgarian, bulgarians, vulgaridad
vulgariae » bulgariae, vulgarise, bulgaricae
bulgareiae » bulgariae, bulgaria, bulgarian, bulgareeiae, vulgareiae, bulgariaeiae
vulgaricae » bulgaricae, bulgariae, vulgaridad
bulgarica » bulgaria, bulgarisch, bulgarian, 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: ((((vulgarian OR vulgariae) OR bulgareiae) OR (vulgaricae OR bulgarica)) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((((vulgarian or vulgariae) or bulgareiae) or (vulgaricae or bulgarica)) or (bulgar or bulger))*.