Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
vulgarische » bulgarische, bulgarischen, bulgarischer
bulgarieians » bulgariens, bulgarians, bulgarian, bulgareieians, vulgarieians, bulgerieians
bulgaria » bulgareia, vulgaria, bulgeria
bulgar » bulgare, vulgar, bulger
vulgarie » vulgarise, vulgaris, vulgare

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: ((vulgariae OR (vulgarische OR (bulgarieians OR bulgaria))) OR ((bulgar OR vulgarie) OR bulge)).
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or (vulgarische or (bulgarieians or bulgaria))) or ((bulgar or vulgarie) or bulge))*.