Perhaps you should try some spelling variations:
bulgaricae » bulgarica, bulgarische, bulgaria, vulgaricae, bulgariaicae, bulgarieicae
vulgareiae » bulgariae, vulgarise
bulgareica » bulgarica, bulgaria, bulgariia, vulgareica, bulgariaeica, bulgarieeica, bulgarieica, bulgarienica
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: (((bulgaricae OR vulgareiae) OR (bulgaricae OR bulgareica)) OR ((bulgar OR bulgare) OR (bulger OR bulge))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgaricae or vulgareiae) or (bulgaricae or bulgareica)) or ((bulgar OR bulgare) or (bulger or bulge)))".
• Adding a wildcard symbol may retrieve word variants: (((bulgaricae or vulgareiae) or (bulgaricae or bulgareica)) or ((bulgar OR bulgare) or (bulger or bulge)))*.