Perhaps you should try some spelling variations:
bulgeriae » bulgariae, bulgaricae, bulgaria, bulweriae, bulgariane
bulgerien » bulgarien, bulgariens, bulgarian
bulgareiae » bulgariae, bulgaria, bulgarian, bulgareeiae, vulgareiae, bulgereiae
bulgeria » bulgaria, bulweria, bulgarian
vulgaricae » bulgaricae, bulgarica, bulgariae
bulgar » bulgare, vulgar, bulger
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: ((((bulgeriae OR bulgerien) OR bulgareiae) OR (bulgeria OR vulgaricae)) OR (bulgar OR bulges)).
• Adding a wildcard symbol may retrieve word variants: ((((bulgeriae or bulgerien) or bulgareiae) or (bulgeria or vulgaricae)) or (bulgar or bulges))*.