Perhaps you should try some spelling variations:
bulgeriae » bulgariae, bulgaricae, bulgaria
vulgarische » bulgarische, bulgarischen, bulgarischer
bulgarieians » bulgariens, bulgarians, bulgarian, vulgarieians, bulgerieians, bulgariaieians
vulgaria » bulgaria, vulgaris, vulgari
bulgar » vulgar, bulger, bulgaria
bulgare » vulgare, bulgere, bulgariae, bulgarie, bulgarien

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: ((bulgeriae OR (vulgarische OR (bulgarieians OR vulgaria))) OR ((bulgar OR bulgare) OR bulge)).
• Adding a wildcard symbol may retrieve word variants: ((bulgeriae or (vulgarische or (bulgarieians or vulgaria))) or ((bulgar or bulgare) or bulge))*.