Perhaps you should try some spelling variations:
bulgarien » bulgarian, bulgareien, vulgarien, bulgerien
bulgareiae » bulgarian, bulgarie, bulgaricae, bulgareeiae, vulgareiae, bulgereiae
bulgariae » bulgaricae, bulgarian, bulgarie, bulgareiae, vulgariae, bulgeriae
vulgaricae » bulgaricae, bulgarica, vulgaridad
bulgaria » bulgareia, vulgaria, bulgeria
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: ((((bulgaria OR bulgarien) OR bulgareiae) OR (bulgariae OR vulgaricae)) OR (bulgar OR bulges)).
• Adding a wildcard symbol may retrieve word variants: ((((bulgaria or bulgarien) or bulgareiae) or (bulgariae or vulgaricae)) or (bulgar or bulges))*.