Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgareiae » bulgariae, bulgaria, bulgarie, bulgareeiae, vulgareiae, bulgereiae
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgerian
bulgar » bulgare, vulgar, bulger

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 bulgareiae) OR bulgarian) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: (((vulgariae or bulgareiae) or bulgarian) or bulgar)*.