Perhaps you should try some spelling variations:
bulgareica » bulgarica, bulgaria, bulgaricae, bulgareeica, vulgareica, bulgariaeica
bulgariia » bulgaria, bulgarica, bulgaricae, bulgareiia, vulgariia, bulgariaiia
bulgar » bulgare, vulgar, bulgaria
bulgarie » bulgareie, vulgarie, bulgariaie, bulgarien, bulgaria, bulgarian
bulger » bulge, bulges
bulgere » bulgee, bulgese, bulgare, burgere, bulgares
bilgere » bilger, bilgeri, billigere

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• Removing quotes may allow a broader search: ((bulgareica or bulgariia) or ((bulgar or bulger) or ((bulgere OR bulgarie) or bilgere))).