Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgarian, bulgarie, bulgareiae, vulgariae, bulgarieiae
vulgaria » vulgaris, vulgari, vulvaria
bulgarieica » bulgarica, bulgariia, bulgareieica, vulgarieica, bulgarieieica
bulgaria » bulgareia, vulgaria, bulgarieia
bulgar » bulgare, vulgar, bulgarie
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 (bulgaria OR vulgaria)) OR (bulgariae OR bulgarieica)) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or (bulgaria or vulgaria)) or (bulgariae or bulgarieica)) or (bulgar or bulger))*.