Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgarie » bulgarien, bulgaria, bulgarian
bulgareians » bulgarian, bulgariens, bulgarean, vulgareians, bulgarienians, bulgariaians
bulgarians » bulgarian, bulgariens, bulgaria
bulgarisch » bulgarische, bulgarischen
bulgare » vulgare, bulgarien, bulgaria
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: ((vulgariae OR ((bulgarie OR (bulgareians OR hungarian)) OR (bulgarians OR bulgarisch))) OR (bulgare OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or ((bulgarie or (bulgareians or hungarian)) or (bulgarians or bulgarisch))) or (bulgare or bulger))*.