Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgarian, bulgarie, bulgareiae, vulgariae, bulgarieiae
bulgarica » bulgarisch, bulgarian, bulgarien, bulgareica, vulgarica, bulgarieica
bulgareeiae » bulgareeeiae, vulgareeiae, bulgarieeeiae
bulgaria » bulgareia, vulgaria, bulgarieia
bulgar » bulgare, vulgar, bulgarie
bulger » 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 bulgareeiae) OR (bulgarica OR bulgaria)) OR ((bulgar OR bulger) OR bulge)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgareeiae) or (bulgarica or bulgaria)) or ((bulgar or bulger) or bulge))*.