Perhaps you should try some spelling variations:
vulgareiae » bulgariae, vulgarise
bulgareicae » bulgaricae, bulgariae, bulgareeicae, vulgareicae, bulgariaeicae
bulgareia » bulgaria, bulgariia, bulgarian, bulgareeia, vulgareia, bulgariaeia
bulgarica » bulgaria, bulgarisch, bulgarian, bulgareica, vulgarica, bulgariaica
bulgar » bulgare, vulgar, bulgaria
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: ((vulgareiae OR (bulgareicae OR (bulgareia OR bulgarica))) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((vulgareiae or (bulgareicae or (bulgareia or bulgarica))) or (bulgar or bulger))*.