Perhaps you should try some spelling variations:
bulgarica » bulgaria, bulgarisch, bulgarian, bulgareica, bulgerica, bulgariaica
bulgariae » bulgaricae, bulgaria, bulgarian, bulgareiae, bulgeriae, bulgariaiae
bulgar » bulgare, bulger, bulgaria
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 bulgariae) OR ((bulgar OR (bulges OR bulge)) OR (vulgare OR vulgar))).
• Adding a wildcard symbol may retrieve word variants: ((bulgarica or bulgariae) or ((bulgar or (bulges or bulge)) or (vulgare or vulgar)))*.