Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgarian, bulgarie, bulgareiae, vulgariae, bulgeriae
bulgareian » bulgarian, bulgarean, bulgarien, bulgareeian, vulgareian, bulgereian
vulgaricae » bulgaricae, bulgarica, vulgaridad
bulgaria » bulgareia, vulgaria, bulgeria
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: (((bulgariae OR bulgareian) OR (vulgaricae OR bulgaria)) OR (bulgar OR bulge)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgareian) or (vulgaricae or bulgaria)) or (bulgar or bulge))*.