Perhaps you should try some spelling variations:
bulgariae » bulgarian, bulgarie, bulgarians, bulgareiae, vulgariae, bulgeriae
bulgaricae » bulgarica, bulgarische, bulgarian, bulgareicae, vulgaricae, bulgericae
vulgariae » vulgarise, vulgaridad, vulgarisee
bulgaria » bulgareia, vulgaria, bulgeria
bulgar » bulgare, vulgar, bulger

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: ((((bulgariae OR bulgaricae) OR vulgariae) OR bulgaria) OR bulgar).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((bulgariae OR bulgaricae) or vulgariae) or bulgaria) or bulgar)".
• Adding a wildcard symbol may retrieve word variants: ((((bulgariae OR bulgaricae) or vulgariae) or bulgaria) or bulgar)*.