Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, vulgariae, bulgeriae, bulgariaiae
bulgariaiae » bulgaricae, bulgariia, vulgariaiae, bulgeriaiae, bulgariaiaiae
bulgarie » bulgarien, bulgaria, bulgarian, vulgarie, bulgerie, bulgariaie
bulgar » vulgar, bulger, bulgaria
bulgaristen » vulgaristen, bulgeristen, bulgariaisten, bulgarischen, bulgarien, bulgaristik
bulgare » vulgare, bulgere, bulgariae, 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 bulgariaiae) OR bulgarie) OR (((bulgar OR bulgaristen) OR bulgare) OR (bulges OR bulge)))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgariae OR bulgariaiae) or bulgarie) or (((bulgar or bulgaristen) or bulgare) or (bulges or bulge)))*".