Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgarie » bulgarian, vulgaris, vulgare, bulgareie, vulgarie
bulgarien » bulgariann, vulgarisn, vulgaren, bulgarian, bulgareien, vulgarien
bulgariaeian » bulgarian, bulgarean, bulgariae, bulgareiaeian, vulgariaeian
bulgaria » bulgareia, vulgaria
bulgar » bulgare, vulgar
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 bulgarien) OR (bulgariaeian OR bulgaria))) OR (bulgar OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vulgariae or ((bulgarie OR bulgarien) or (bulgariaeian or bulgaria))) or (bulgar or bulger))".
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or ((bulgarie OR bulgarien) or (bulgariaeian or bulgaria))) or (bulgar or bulger))*.