Perhaps you should try some spelling variations:
bulgariiae » bulgaricae, bulgariae, bulgariia, bulgareiiae, vulgariiae, bulgeriiae
vulgaris » bulgaria, vulgar
bulgar » bulgare, vulgar, bulger
bulgarien » bulgareien, vulgarien, bulgerien, bulgarian, bulgaria
vulgare » vulgar, vulgarly
bulges » bulge

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: ((bulgariiae OR vulgaris) OR (((bulgar OR bulgarien) OR vulgare) OR bulges))*.