Perhaps you should try some spelling variations:
vulgareiae » bulgariae, vulgarise
bulgaricae » bulgarische, bulgaria, bulgarian, bulgariae, bulgariane, bulgareicae, bulgariaicae, bulgarieicae
bulgarica » bulgaria, bulgarisch, bulgarian, bulgareica, bulgariaica, bulgarieica
bulgar » bulgare, bulgaria, bulgarie
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 (bulgaricae OR bulgarica)) OR ((bulgar OR vulgar) OR bulger))*.