Perhaps you should try some spelling variations:
bulgarica » bulgaria, bulgarisch, bulgarian, bulgareica, vulgarica, bulgariaica
vulgareiae » bulgariae, vulgarise
bulgareica » bulgaria, bulgaricae, bulgariia, bulgareeica, vulgareica, bulgariaeica
bulgar » bulgare, vulgar, bulgaria
bulger » 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: (((bulgarica OR vulgareiae) OR (bulgarica OR bulgareica)) OR (bulgar OR (bulger OR bulge))).
• Adding a wildcard symbol may retrieve word variants: (((bulgarica or vulgareiae) or (bulgarica or bulgareica)) or (bulgar or (bulger or bulge)))*.