Perhaps you should try some spelling variations:
bulgariae » bulgarian, bulgarians, bulgarien, bulgareiae, vulgariae, bulgeriae
bulgarie » bulgarien, bulgarian, vulgaris, bulgareie, vulgarie, bulgerie
bulgareiae » bulgarian, bulgarean, bulgariia, bulgareeiae, vulgareiae, bulgereiae
bulgaricae » bulgarica, bulgarische, bulgarian, bulgareicae, vulgaricae, bulgericae
bulgericae » bulgarica
bulgaria » bulgareia, vulgaria, bulgeria
bulgar » bulgare, vulgar, bulger
bulges » bulge

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 bulgaria) OR bulgarie) OR bulgareiae) OR (bulgaricae OR bulgericae)) OR (bulgar OR bulges)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((bulgariae or bulgaria) or bulgarie) or bulgareiae) or (bulgaricae OR bulgericae)) or (bulgar or bulges))".
• Adding a wildcard symbol may retrieve word variants: (((((bulgariae or bulgaria) or bulgarie) or bulgareiae) or (bulgaricae OR bulgericae)) or (bulgar or bulges))*.