Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarians
bulgariaeian » bulgaricaeian, bulgariaian, bulgariansian, bulgarien, bulgarean, bulgariia
bulgarian » bulgaria, hungarian
bulgarie » bulgarien, bulgaria, vulgaris
bulgarica » bulgaria, bulgarisch, bulgarien
bulgare » vulgare, bulgarien, 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 (bulgarie OR (bulgariaeian OR bulgarica))) OR (bulgare OR bulger))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgariae OR bulgarian) or (bulgarie or (bulgariaeian or bulgarica))) or (bulgare or bulger))*".