Perhaps you should try some spelling variations:
bulgareiae » bulgariae, bulgarian, bulgarie, vulgareiae, bulgereiae, bulgarieeiae, bulgarieiae, bulgarieniae
bulgar » vulgar, bulger, bulgarie
bulgare » vulgare, bulgere, bulgariee, bulgarie, bulgarien
bulgaria » vulgaria, bulgeria, bulgarieia
vulgaria » vulgaris, vulgari, vulvaria

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 ((bulgar OR bulgare) OR (vulgaria OR bulgaria))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(bulgareiae or ((bulgar OR bulgare) or (vulgaria or bulgaria)))".
• Adding a wildcard symbol may retrieve word variants: (bulgareiae or ((bulgar OR bulgare) or (vulgaria or bulgaria)))*.