Perhaps you should try some spelling variations:
bulgareiae » bulgariae, bulgaria, bulgarian, bulgareeiae, bulgereiae, bulgariaeiae
bulgar » bulgare, bulger, bulgaria
vulgaria » bulgaria, vulgari, vulvaria
vulgaris » bulgaria

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