Perhaps you should try some spelling variations:
bulgariae » bulgaria, bulgarian, bulgarie, bulgareiae, vulgariae, bulgariaiae
vulgarian » bulgarian, bulgarians, vulgaridad
bulgaricae » bulgarica, bulgarische, bulgaria, bulgareicae, vulgaricae, bulgariaicae
bulgareicae » bulgarica, bulgareeicae, vulgareicae, bulgariaeicae
bulgar » bulgare, vulgar, bulgaria
bulger » bulge, 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 vulgarian) OR (bulgaricae OR bulgareicae)) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or vulgarian) or (bulgaricae or bulgareicae)) or (bulgar or bulger))*.