Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae, vulgarie
vulgarische » bulgarische, bulgarischen, bulgarischer
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgerian
vulgaria » bulgaria, vulgaris, vulgari
bulgar » bulgare, vulgar, bulger
bulgarie » bulgareie, vulgarie, bulgerie, bulgarien, bulgaria, vulgaris

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 (vulgarische OR (bulgarian OR vulgaria))) OR ((bulgar OR bulgarie) OR bulge)).
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or (vulgarische or (bulgarian or vulgaria))) or ((bulgar or bulgarie) or bulge))*.