Perhaps you should try some spelling variations:
bulgariae » bulgarian, bulgarians, bulgarien, bulgareiae, bulgeriae
bulgarie » bulgarien, bulgarian, vulgaris, bulgareie, bulgerie
bulgaricae » bulgarica, bulgarische, bulgarian, bulgareicae, bulgericae
bulgareeiae » bulgareeeiae, bulgereeiae
bulgaria » bulgareia, bulgeria
bulgar » bulgare, bulger

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