Perhaps you should try some spelling variations:
bulgaricae » bulgarische, bulgaria, bulgarian, bulgariae, bulgariane, bulgareicae, bulgariaicae, bulgarieicae
bulgariia » bulgaria, bulgarian, bulgarien, bulgareiia, bulgariaiia, bulgarieiia
bulgarica » bulgaria, bulgarisch, bulgarian, bulgareica, bulgariaica, bulgarieica
bulgar » bulgare, bulgaria, bulgarie
bulger » bulge, bulges
bulgere » bulgee, bulgese, bulgare, burgere, bulgarie
bilgere » bilger, bilgeri, billigere

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: ((bulgaricae OR (bulgariia OR bulgarica)) OR (((bulgar OR vulgar) OR bulger) OR (bulgere OR bilgere))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgaricae or (bulgariia or bulgarica)) or (((bulgar OR vulgar) or bulger) or (bulgere or bilgere)))".
• Adding a wildcard symbol may retrieve word variants: ((bulgaricae or (bulgariia or bulgarica)) or (((bulgar OR vulgar) or bulger) or (bulgere or bilgere)))*.