Perhaps you should try some spelling variations:
bulgariaiae » bulgariae, bulgareiaiae, vulgariaiae, bulgariaiaiae
bulgariia » bulgaria, bulgarica, bulgarian, bulgareiia, vulgariia, bulgariaiia
bulgaricae » bulgarica, bulgarische, bulgaria, bulgareicae, vulgaricae, bulgariaicae
bulgar » bulgare, vulgar, bulgaria
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: (((bulgariaiae OR bulgariia) OR bulgaricae) OR (bulgar OR bulger))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgariaiae OR bulgariia) or bulgaricae) or (bulgar or bulger))*".