Perhaps you should try some spelling variations:
bulgariaiae » bulgaricae, bulgariae, bulgariia, bulgareiaiae, vulgariaiae, bulgariaiaiae
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
bulgariaeian » bulgarean, bulgariae, bulgariia, bulgareiaeian, vulgariaeian, bulgariaiaeian
bulgarien » bulgaria, bulgareien, vulgarien, bulgariaien
bulgarica » bulgaria, bulgarisch, bulgarie, bulgareica, vulgarica, bulgariaica
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 (bulgarian OR ((bulgariaeian OR bulgarien) OR bulgarica))) OR (bulgar OR bulger))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgariaiae or (bulgarian or ((bulgariaeian OR bulgarien) or bulgarica))) or (bulgar or bulger))*".