Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae, vulgarie, vulvariae
vulgarische » bulgarische, bulgarischen, bulgarischer
bulgarie » bulgarien, bulgarian, vulgaris
vulgaria » vulgaris, vulgari, vulvaria
bulgare » vulgare, bulgarien, vulgares

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