Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, vulgariae, bulgariaiae, bulgarieiae
bulgareiae » bulgaria, bulgarian, bulgarie, vulgareiae, bulgariaeiae, bulgarieeiae, bulgarieiae, bulgarieniae
vulgaricae » bulgaricae, vulgaridad, vulgarise
bulgarica » bulgaria, bulgarisch, bulgarian, vulgarica, bulgariaica, bulgarieica
bulgar » vulgar, bulgaria, bulgarie
bulgare » vulgare, bulgariae, bulgariee, bulgarie, bulgarien
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 (vulgaricae OR bulgarica)) OR ((bulgar OR bulgare) OR (bulger OR bulge))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgariae or bulgareiae) or (vulgaricae or bulgarica)) or ((bulgar or bulgare) or (bulger OR bulge)))".
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgareiae) or (vulgaricae or bulgarica)) or ((bulgar or bulgare) or (bulger OR bulge)))*.