Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
vulgarische » bulgarische, bulgarischen, bulgarischer
bulgarieians » bulgariens, bulgarians, bulgarian, bulgareieians, vulgarieians, bulgerieians
bulgerieia » bulgariia
bulgar » bulgare, vulgar, bulger
bulgere » bulgare, bulger, bilgere

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