Perhaps you should try some spelling variations:
bulgarie » bulgarien, bulgarian, vulgaris, bulgareie, vulgarie
bulgaricae » bulgarica, bulgarische, bulgarian, bulgareicae, vulgaricae
bulgariaica » bulgarica, bulgareiaica, vulgariaica
bulgariia » bulgarica, bulgarian, bulgarien, bulgareiia, vulgariia
bulgaria » bulgareia, vulgaria
bulgar » bulgare, vulgar
bulger » bulge, bulges

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: (((bulgarie OR bulgaria) OR (bulgaricae OR (bulgariaica OR bulgariia))) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgarie or bulgaria) or (bulgaricae or (bulgariaica or bulgariia))) or (bulgar or bulger))*.