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