Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, bulgareiae, vulgariae, bulgeriae
bulgareia » bulgaria, bulgariia, bulgarian, bulgareeia, vulgareia, bulgereia
bulgar » bulgare, vulgar, bulger
bulgarie » bulgareie, vulgarie, bulgerie, bulgarien, bulgaria, bulgarian
vulgarie » vulgarise, vulgaris, vulgare
bulgere » bulgare, bulger, bilgere

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: ((bulgariae OR bulgareia) OR ((bulgar OR ((bulgarie OR vulgarie) OR bulgere)) OR bulge))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgariae or bulgareia) or ((bulgar or ((bulgarie OR vulgarie) or bulgere)) or bulge))*".