Perhaps you should try some spelling variations:
bulgariae » bulgarian, bulgarians, bulgarien, bulgareiae, vulgariae
bulgarie » bulgarien, bulgarian, vulgaris, bulgareie, vulgarie
bulgaricae » bulgarica, bulgarische, bulgarian, bulgareicae, vulgaricae
bulgareicae » bulgarica, bulgareeicae, vulgareicae
bulgar » bulgare, vulgar
bulgaria » bulgareia, vulgaria
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: (((bulgariae OR bulgarie) OR (bulgaricae OR bulgareicae)) OR ((bulgar OR bulgaria) OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgariae or bulgarie) or (bulgaricae or bulgareicae)) or ((bulgar OR bulgaria) or bulger))".
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgarie) or (bulgaricae or bulgareicae)) or ((bulgar OR bulgaria) or bulger))*.