Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgarian, bulgarie, bulgareiae, bulgarieiae
bulgareie » bulgarie, bulgarien, bulgare, bulgareeie, bulgarieeie
bulgaria » bulgareia, bulgarieia
bulgar » bulgare, 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 bulgareie) OR bulgaria) OR ((bulgar OR vulgar) OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgareie) or bulgaria) or ((bulgar or vulgar) or bulger))*.