Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, bulgeriae, bulgariaiae
bulgeriae » bulgaricae, bulgaria, bulgarian
bulgar » bulger, bulgaria
bulgarie » bulgerie, bulgariaie, bulgarien, bulgaria, bulgarian
bulgare » bulgere, bulgariae, vulgare, bulgarien, bulgaria

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 bulgeriae) OR (((bulgar OR bulgarie) OR vulgar) OR bulgare))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgariae OR bulgeriae) or (((bulgar or bulgarie) or vulgar) or bulgare))*".