Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, bulgareiae, vulgariae, bulgariaiae
bulgareiae » bulgaria, bulgarian, bulgarie, bulgareeiae, vulgareiae, bulgariaeiae
vulgarische » bulgarische, bulgarischen, bulgarischer
vulgarica » bulgarica, bulgaricae, vulgaridad
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: (((bulgariae OR bulgareiae) OR (vulgarische OR vulgarica)) OR (bulgar OR (bulger OR bulge))).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgareiae) or (vulgarische or vulgarica)) or (bulgar or (bulger or bulge)))*.