Perhaps you should try some spelling variations:
bulgariae » bulgaria, bulgarian, bulgarians
bulgarie » bulgarien, bulgaria, bulgarian
bulgareiae » bulgaria, bulgarian, bulgarean, vulgareiae, bulgarieniae, bulgariaiae
bulgaricae » bulgarica, bulgarische, bulgaria
bulgare » vulgare, bulgarien, bulgaria
bulges » bulge

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 bulgarie) OR bulgareiae) OR bulgaricae) OR (bulgare OR bulges)).
• Adding a wildcard symbol may retrieve word variants: ((((bulgariae or bulgarie) or bulgareiae) or bulgaricae) or (bulgare or bulges))*.