Perhaps you should try some spelling variations:
bulgarica » bulgaria, bulgarisch, bulgarian, bulgareica, bulgariaica, bulgarieica
bulgareiae » bulgariae, bulgaria, bulgarian, bulgareeiae, bulgariaeiae, bulgarieeiae
bulgar » bulgare, bulgaria, bulgarie
bulger » bulges
vulgare » vulgaris, vulgarly

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: ((bulgarica OR bulgareiae) OR ((bulgar OR (bulger OR bulge)) OR (vulgare OR vulgar))).
• Adding a wildcard symbol may retrieve word variants: ((bulgarica or bulgareiae) or ((bulgar or (bulger or bulge)) or (vulgare or vulgar)))*.