Perhaps you should try some spelling variations:
vulgaricae » bulgaricae, bulgarica, bulgariae
bulgeriae » bulgariae, bulgaricae, bulgarian, bulweriae, bulgariane
bulgar » vulgar, bulger, bulgarie
bulgaria » vulgaria, bulgeria, bulgarieia
bulgare » vulgare, bulgere, bulgariee, bulgarie, bulgarien
bulgeria » bulweria, bulgarian, bulgarica

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