Perhaps you should try some spelling variations:
bulgareiae » bulgariae, bulgarian, bulgaricae, bulgareeiae, vulgareiae
bulgarie » bulgarien, bulgarian, vulgaris, bulgareie, vulgarie
bulgareian » bulgarian, bulgarean, bulgarien, bulgareeian, vulgareian
bulgaria » bulgareia, vulgaria
bulgar » bulgare, vulgar
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 (bulgarie OR (bulgareian OR bulgaria))) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((bulgareiae or (bulgarie or (bulgareian or bulgaria))) or (bulgar or bulger))*.