Perhaps you should try some spelling variations:
bulgariae » bulgarian, bulgarie, bulgarians, bulgareiae, vulgariae, bulgarieiae
vulgariae » vulgarise, vulgaridad, vulgarisee
bulgaricae » bulgarica, bulgarische, bulgarian, bulgareicae, vulgaricae, bulgarieicae
bulgariaica » bulgarica, bulgareiaica, vulgariaica, bulgarieiaica
bulgariia » bulgarica, bulgarian, bulgarien, bulgareiia, vulgariia, bulgarieiia
bulgaria » bulgareia, vulgaria, bulgarieia
bulgar » bulgare, vulgar, bulgarie
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 vulgariae) OR bulgaria) OR (bulgaricae OR (bulgariaica OR bulgariia))) OR (bulgar OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((bulgariae OR vulgariae) or bulgaria) or (bulgaricae or (bulgariaica or bulgariia))) or (bulgar or bulger))".
• Adding a wildcard symbol may retrieve word variants: ((((bulgariae OR vulgariae) or bulgaria) or (bulgaricae or (bulgariaica or bulgariia))) or (bulgar or bulger))*.