Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, bulgareiae, vulgariae, bulgeriae
bulgar » bulgare, vulgar, bulger
bulgarie » bulgareie, vulgarie, bulgerie, bulgarien, bulgaria, bulgarian
bulgareie » bulgareeie, vulgareie, bulgereie, bulgaria, bulgarien, bulgare
vulgarie » vulgarise, vulgaris, vulgare

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