Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgarian, bulgarie, vulgariae, bulgarieiae
vulgaris » vulgar
bulgareiae » bulgarian, bulgarie, bulgaricae, vulgareiae, bulgarieeiae, bulgarieiae, bulgarieniae
vulgaricae » bulgaricae, bulgarica, vulgaridad
bulgaria » vulgaria, bulgarieia
bulgar » vulgar, bulgarie
bulgare » vulgare, bulgariee, bulgarie, bulgarien
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 (vulgaris OR bulgaria)) OR bulgareiae) OR vulgaricae) OR ((bulgar OR bulgare) OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((bulgariae or (vulgaris or bulgaria)) or bulgareiae) or vulgaricae) or ((bulgar OR bulgare) or bulger))".
• Adding a wildcard symbol may retrieve word variants: ((((bulgariae or (vulgaris or bulgaria)) or bulgareiae) or vulgaricae) or ((bulgar OR bulgare) or bulger))*.