Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgarian, bulgarians, vulgariae
bulgarieia » bulgariia, bulgarien, bulgariens, vulgarieia, bulgarienia, bulgariania, vulgarisia
bulgaria » vulgaria
bulgar » vulgar
bulgarie » vulgarie, bulgarien, bulgarian, vulgaris
bulgare » vulgare, bulgarien, vulgares
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 (bulgarieia OR bulgaria)) OR (((bulgar OR bulgarie) OR bulgare) OR bulger))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgariae or (bulgarieia OR bulgaria)) or (((bulgar or bulgarie) or bulgare) or bulger))*".