Perhaps you should try some spelling variations:
bulgariae » bulgaria, bulgarian, bulgarians
bulgaricae » bulgarische, bulgaria, bulgarian, bulgariae, bulgariane
bulgarie » bulgarien, bulgaria, bulgarian
bulgareian » bulgarian, bulgarean, bulgaria, vulgareian, bulgarienian, bulgariaian
bulgarica » bulgaria, bulgarisch, bulgarian
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 bulgaricae) OR (bulgarie OR (bulgareian OR bulgarica))) OR (bulgare OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgaricae) or (bulgarie or (bulgareian or bulgarica))) or (bulgare or bulger))*.