Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgarie » bulgarien, bulgarian, vulgaris, bulgareie, vulgarie
bulgareians » bulgarians, bulgarian, bulgariens, bulgareeians, vulgareians
vulgarian » bulgarian, bulgarians, vulgaridad
bulgarisch » bulgarische, bulgarischen, bulgareisch, vulgarisch
bulgar » bulgare, vulgar
bulgaria » bulgareia, vulgaria
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 (vulgarian OR bulgarisch))) OR ((bulgar OR bulgaria) OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vulgariae or ((bulgarie or bulgareians) or (vulgarian or bulgarisch))) or ((bulgar OR bulgaria) or bulger))".
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or ((bulgarie or bulgareians) or (vulgarian or bulgarisch))) or ((bulgar OR bulgaria) or bulger))*.