Perhaps you should try some spelling variations:
bulgaricae » bulgarica, bulgarische, bulgarian, bulgareicae, vulgaricae, bulgarieicae
bulgaria » bulgareia, vulgaria, bulgarieia
bulgar » bulgare, vulgar, bulgarie
vulgares » vulgar, vulgarly, lugares, vulgars, vulgarlys
vulgare » vulgar, vulgarly
vulgaris » vulgar
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: ((bulgaria OR bulgaricae) OR ((bulgar OR (vulgares OR (vulgare OR vulgaris))) OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((bulgaria or bulgaricae) or ((bulgar or (vulgares or (vulgare or vulgaris))) or bulger))*.