Perhaps you should try some spelling variations:
bulgareiae » bulgariae, bulgarian, bulgarie, bulgareeiae, vulgareiae, bulgarieeiae
vulgaricae » bulgaricae, bulgariae, vulgaridad
bulgarica » bulgarian, bulgarien, bulgarie, bulgareica, vulgarica, bulgarieica
bulgarisch » bulgarische, bulgarischen, bulgareisch, vulgarisch, bulgarieisch
bulgaria » bulgareia, vulgaria, bulgarieia
bulgar » bulgare, vulgar, bulgarie
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: (((bulgaria OR bulgareiae) OR (vulgaricae OR (bulgarica OR bulgarisch))) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgaria or bulgareiae) or (vulgaricae or (bulgarica or bulgarisch))) or (bulgar or bulger))*.