Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae, vulgarie
vulgarische » bulgarische, bulgarischen, bulgarischer
bulgariens » bulgarien, bulgarian, bulgarie, vulgariens, bulgeriens, bulgariaiens
vulgaria » bulgaria, vulgaris, vulgari
bulgar » vulgar, bulger, bulgaria
bulgare » vulgare, bulgere, bulgariae, bulgarie, bulgarien

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