Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgarie » bulgarien, bulgaria, bulgarian, bulgareie, vulgarie, bulgerie
bulgareians » bulgarians, bulgarian, bulgariens, bulgareeians, vulgareians, bulgereians
vulgarian » bulgarian, bulgarians, vulgaridad
bulgarisch » bulgarische, bulgarischen, bulgareisch, vulgarisch, bulgerisch
bulgar » bulgare, vulgar, bulger

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 (vulgarian OR bulgarisch))) OR (bulgar OR bulge)).
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or ((bulgarie or bulgareians) or (vulgarian or bulgarisch))) or (bulgar or bulge))*.