Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
vulgarische » bulgarische, bulgarischen, bulgarischer
bulgarianians » bulgarians, bulgareianians, vulgarianians, bulgerianians
bulgaria » bulgareia, vulgaria, bulgeria
bulgar » bulgare, vulgar, bulger
bulgarie » bulgareie, vulgarie, bulgerie, bulgarien, bulgarian, vulgaris

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