Perhaps you should try some spelling variations:
bulgaricae » bulgarica, bulgarische, bulgaria, bulgareicae, vulgaricae, bulgariaicae
bulgareeia » bulgaria, bulgariia, bulgareeeia, vulgareeia, bulgariaeeia
vulgareia » bulgaria, vulgaris, vulgare
bulgar » bulgare, vulgar, bulgaria
bulger » bulges
bulgese » 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: ((bulgaricae OR (bulgareeia OR vulgareia)) OR ((bulgar OR (bulger OR bulge)) OR bulgese)).
• Adding a wildcard symbol may retrieve word variants: ((bulgaricae or (bulgareeia or vulgareia)) or ((bulgar or (bulger or bulge)) or bulgese))*.