Perhaps you should try some spelling variations:
bulgariae » bulgaria, bulgarian, bulgarians, bulgareiae, vulgariae, bulgeriae
bulgarie » bulgarien, bulgaria, bulgarian, bulgareie, vulgarie, bulgerie
bulgaricae » bulgarica, bulgarische, bulgaria, bulgareicae, vulgaricae, bulgericae
bulgareicae » bulgarica, bulgareeicae, vulgareicae, bulgereicae
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 bulgarie) OR bulgaricae) OR bulgareicae) OR (bulgar OR bulges)).
• Adding a wildcard symbol may retrieve word variants: ((((bulgariae or bulgarie) or bulgaricae) or bulgareicae) or (bulgar or bulges))*.