Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgariaian » bulgarian, bulgariia, vulgariaian, bulgeriaian, bulgarieiaian
bulgareia » bulgariia, bulgarian, bulgarie, vulgareia, bulgereia, bulgarieeia, bulgarieia, bulgarienia
bulgar » vulgar, bulger, bulgarie
bulgaria » vulgaria, bulgeria, bulgarieia
bulgare » vulgare, bulgere, bulgariee, bulgarie, bulgarien
bulgere » bulger, bilgere, burgere

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 bulgariaian) OR bulgareia) OR (((bulgar OR bulgaria) OR (bulgare OR bulgere)) OR bulge))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((vulgariae or bulgariaian) or bulgareia) or (((bulgar OR bulgaria) or (bulgare or bulgere)) or bulge))*".