Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgarian, bulgarians, bulgareiae, vulgariae
bulgeriae » bulgaricae, bulgarian, bulweria, bulgeiae, bulgesiae
bulgar » bulgare, vulgar
bulgaria » bulgareia, vulgaria
bulgarie » bulgareie, vulgarie, bulgarien, bulgarian, vulgaris
bulgariee » bulgareiee, vulgariee, bulgariene, bulgariane, vulgarise, bulgarien, bulgariens, bulgaricae
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: ((bulgariae OR bulgeriae) OR (((bulgar OR bulger) OR bulgaria) OR (bulgarie OR bulgariee))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgariae or bulgeriae) or (((bulgar OR bulger) or bulgaria) or (bulgarie or bulgariee)))".
• Adding a wildcard symbol may retrieve word variants: ((bulgariae or bulgeriae) or (((bulgar OR bulger) or bulgaria) or (bulgarie or bulgariee)))*.