Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgarian, bulgarie, bulgareiae, vulgariae, bulgarieiae
vulgaricae » bulgaricae, vulgaridad, vulgarise
bulgarica » bulgarisch, bulgarian, bulgarien, bulgareica, vulgarica, bulgarieica
bulgaria » bulgareia, vulgaria, bulgarieia
bulgar » bulgare, vulgar, bulgarie
bulgariee » bulgareiee, vulgariee, bulgarieiee, bulgarien, bulgarie, bulgariens
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: (((bulgaria OR bulgariae) OR (vulgaricae OR bulgarica)) OR ((bulgar OR bulgariee) OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgaria or bulgariae) or (vulgaricae or bulgarica)) or ((bulgar or bulgariee) or bulger))*.