Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarie, bulgareiae, vulgariae, bulgariaiae
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
bulgareiae » bulgaria, bulgarie, bulgaricae, bulgareeiae, vulgareiae, bulgariaeiae
vulgarica » bulgarica, bulgaricae, vulgaridad
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: ((((bulgariae OR bulgarian) OR bulgareiae) OR vulgarica) OR (bulgar OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((bulgariae OR bulgarian) or bulgareiae) or vulgarica) or (bulgar or bulger))".
• Adding a wildcard symbol may retrieve word variants: ((((bulgariae OR bulgarian) or bulgareiae) or vulgarica) or (bulgar or bulger))*.