Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarie, bulgareiae, vulgariae, bulgariaiae
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
bulgareian » bulgarean, bulgaria, bulgarien, bulgareeian, vulgareian, bulgariaeian
vulgaricae » bulgaricae, vulgaridad, vulgarise
bulgarica » bulgaria, bulgarisch, bulgarien, 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: (((bulgariae OR (bulgarian OR bulgareian)) OR (vulgaricae OR bulgarica)) OR (bulgar OR bulger))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgariae or (bulgarian OR bulgareian)) or (vulgaricae or bulgarica)) or (bulgar or bulger))*".