Perhaps you should try some spelling variations:
bulgariaiae » bulgariae, bulgariia
bulgaricae » bulgarica, bulgarische, bulgarian
bulgarie » bulgarian, vulgaris, vulgare
bulgarien » bulgariann, vulgarisn, vulgaren, bulgarian
bulgariee » bulgariane, vulgarise, vulgaree, bulgariae, bulgariens, vulgarisee
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: (((bulgariaiae OR bulgaricae) OR (bulgarie OR bulgarien)) OR ((bulgaria OR bulgariee) OR bulger))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgariaiae OR bulgaricae) or (bulgarie or bulgarien)) or ((bulgaria or bulgariee) or bulger))*".