Perhaps you should try some spelling variations:
vulgareiae » bulgariae, vulgarise
bulgareicae » bulgaricae, bulgariae, bulgarieicae, vulgareicae, bulgarienicae
bulgarica » bulgaria, bulgarisch, bulgarian
bulgare » bulgarie, vulgare, bulgarien
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 bulgarica)) OR (bulgare OR bulger))*.