Perhaps you should try some spelling variations:
bulgareiae » bulgariae, bulgarian, bulgarie, bulgareeiae, vulgareiae, bulgarieeiae
bulgariia » bulgaricae, bulgarian, bulgarien, bulgareiia, vulgariia, bulgarieiia
bulgareian » bulgarian, bulgarean, bulgarien, bulgareeian, vulgareian, bulgarieeian
bulgarica » bulgarisch, bulgarian, bulgarien, bulgareica, vulgarica, bulgarieica
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 (bulgariia OR ((bulgareian OR bulgaria) OR bulgarica))) OR (bulgar OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgareiae or (bulgariia or ((bulgareian OR bulgaria) or bulgarica))) or (bulgar or bulger))".
• Adding a wildcard symbol may retrieve word variants: ((bulgareiae or (bulgariia or ((bulgareian OR bulgaria) or bulgarica))) or (bulgar or bulger))*.