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
vulgarie » vulgarise, vulgaris, vulgare

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 (bulgaria OR vulgarie))).
• Adding a wildcard symbol may retrieve word variants: (bulgareiae or ((bulgar or bulgare) or (bulgaria or vulgarie)))*.