Perhaps you should try some spelling variations:
bulgariaian » bulgarian, bulgariia, bulgareiaian, vulgariaian, bulgariaiaian
bulgaricae » bulgarica, bulgarische, bulgaria, bulgareicae, vulgaricae, bulgariaicae
bulgarien » bulgarian, bulgaria, bulgareien, vulgarien, bulgariaien
bulgar » bulgare, vulgar, bulgaria
vulgare » vulgar, vulgaris, vulgarly
bulger » 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: (((bulgariaian OR bulgaricae) OR bulgarien) OR (((bulgar OR vulgare) OR bulge) OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariaian or bulgaricae) or bulgarien) or (((bulgar or vulgare) or bulge) or bulger))*.