Perhaps you should try some spelling variations:
bulgareiae » bulgarian, bulgarie, bulgaricae, bulgareeiae, vulgareiae, bulgarieeiae
vulgareiae » vulgarise
bulgariae » bulgaricae, bulgarian, bulgarie, bulgareiae, vulgariae, bulgarieiae
bulgarien » bulgarian, bulgareien, vulgarien, bulgarieien
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: (((bulgareiae OR vulgareiae) OR (bulgariae OR (bulgaria OR bulgarien))) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgareiae or vulgareiae) or (bulgariae or (bulgaria or bulgarien))) or (bulgar or bulger))*.