Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgariaiae » bulgaricae, bulgariae, bulgareiaiae, vulgariaiae, bulgariaiaiae
bulgariia » bulgaria, bulgarica, bulgaricae, bulgareiia, vulgariia, bulgariaiia
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
bulgareia » bulgaria, bulgarie, bulgare, bulgareeia, vulgareia, bulgariaeia
bulgar » bulgare, vulgar, bulgaria
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: ((((vulgariae OR (bulgariaiae OR bulgariia)) OR bulgarian) OR bulgareia) OR (bulgar OR bulger))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((vulgariae or (bulgariaiae OR bulgariia)) or bulgarian) or bulgareia) or (bulgar or bulger))*".