Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, bulgareiae, bulgariaiae, bulgarieiae
bulgareiae » bulgaria, bulgarian, bulgarie, bulgareeiae, bulgariaeiae, bulgarieeiae
vulgarica » bulgarica, bulgaricae, vulgaridad
bulgar » bulgare, bulgaria, bulgarie
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 bulgareiae) OR vulgarica) OR ((bulgar OR vulgar) OR bulger))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgariae or bulgareiae) or vulgarica) or ((bulgar OR vulgar) or bulger))*".