Perhaps you should try some spelling variations:
bulgariae » bulgaria, bulgarian, bulgarie, bulgareiae, vulgariae, bulgariaiae
bulgaricae » bulgarische, bulgaria, bulgarian, bulgariae, bulgariane, bulgareicae, vulgaricae, bulgariaicae
bulgarica » bulgaria, bulgarisch, bulgarian, bulgareica, vulgarica, bulgariaica
vulgarica » vulgaridad, bulgaria, vulgaris
bulgariia » bulgaria, bulgarian, bulgarien, bulgareiia, vulgariia, bulgariaiia
vulgariia » vulgaridad, bulgaria, vulgaris
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 ((bulgaricae OR bulgarica) OR (vulgarica OR (bulgariia OR vulgariia)))) OR (bulgar OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgariae or ((bulgaricae OR bulgarica) or (vulgarica or (bulgariia or vulgariia)))) or (bulgar or bulger))".
• Adding a wildcard symbol may retrieve word variants: ((bulgariae or ((bulgaricae OR bulgarica) or (vulgarica or (bulgariia or vulgariia)))) or (bulgar or bulger))*.