Perhaps you should try some spelling variations:
bulgareiae » bulgariae, bulgaria, bulgarian, bulgereiae, bulgariaeiae, bulgarieeiae, bulgarieiae, vulgareiae, bulgarieniae
bulgar » bulger, bulgaria, bulgarie
bulgare » bulgere, bulgariae, bulgariee, bulgarie, vulgare, bulgarien
vulgaria » bulgaria, vulgaris, vulgari

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