Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgaria » vulgaria, bulgarieia
bulgar » vulgar, bulgarie
bulgare » vulgare, bulgariee, bulgarie, bulgarien, vulgares
bulgariee » vulgariee, bulgarieiee, bulgarien, bulgarie, bulgariae
vulgare » vulgar, vulgaris, vulgarly
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 bulgaria) OR (((bulgar OR bulgare) OR (bulgariee OR vulgare)) OR bulger))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vulgariae or bulgaria) or (((bulgar OR bulgare) or (bulgariee or vulgare)) or bulger))*".