Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, bulgareiae, vulgariae, bulgeriae
vulgariae » vulgarise, bulgaricae, vulgaridad
bulgar » bulgare, vulgar, bulger
bulgarie » bulgareie, vulgarie, bulgerie, bulgarien, bulgaria, bulgarian
bulgerie » bulgarien, bulgaria, algerie

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