Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, bulgareiae, vulgariae, bulgariaiae
vulgariae » vulgarise, bulgaricae, vulgaridad
bulgarica » bulgaria, bulgarisch, bulgarian, bulgareica, vulgarica, bulgariaica
vulgarica » bulgaricae, vulgaridad, bulgaria
bulgar » bulgare, vulgar, bulgaria
vulgarly » vulgar, vulgaris
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 vulgariae) OR (bulgarica OR vulgarica)) OR ((bulgar OR (vulgarly OR vulgarly)) OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or vulgariae) or (bulgarica or vulgarica)) or ((bulgar or (vulgarly or vulgarly)) or bulger))*.