Perhaps you should try some spelling variations:
bulgaricae » bulgarica, bulgarische, bulgaria, bulgareicae, vulgaricae, bulgericae
bulgariae » bulgaria, bulgarian, bulgarie, bulgareiae, vulgariae, bulgeriae
bulgareicae » bulgarica, bulgareeicae, vulgareicae, bulgereicae
vulgaria » bulgaria, vulgaris, vulgari
bulgareeeiae » bulgareeeeiae, vulgareeeiae, bulgereeeiae
bulgar » bulgare, vulgar, bulger

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: ((((bulgaricae OR bulgariae) OR bulgareeeiae) OR (bulgareicae OR vulgaria)) OR (bulgar OR bulge)).
• Adding a wildcard symbol may retrieve word variants: ((((bulgaricae or bulgariae) or bulgareeeiae) or (bulgareicae or vulgaria)) or (bulgar or bulge))*.