Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, vulgaridad
bulgaricae » bulgarica, bulgarische, bulgaria, bulgareicae, vulgaricae, bulgariaicae
bulgarien » bulgarian, bulgaria, bulgareien, vulgarien, bulgariaien
bulgar » bulgare, vulgar, bulgaria
vulgares » vulgaris, vulgare, vulgar
vulgarly » vulgar, vulgaris
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: (((vulgariae OR bulgaricae) OR bulgarien) OR ((bulgar OR (vulgares OR vulgarly)) OR bulger))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((vulgariae OR bulgaricae) or bulgarien) or ((bulgar or (vulgares or vulgarly)) or bulger))*".