Perhaps you should try some spelling variations:
vulgarien » bulgarien, bulgariens, vulgarisee
vulgaria » bulgaria, vulgari, vulvaria
bulgar » bulgare, vulgar, bulger
bulgarie » bulgareie, vulgarie, bulgerie, bulgarien, bulgaria, bulgarian
bulges » bulge
vulgaris » bulgaria, vulgar
bilgere » bilger, bilgeri, billigere

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: ((vulgarien OR vulgaria) OR ((bulgar OR bulges) OR ((bulgarie OR vulgaris) OR bilgere))).
• Adding a wildcard symbol may retrieve word variants: ((vulgarien or vulgaria) or ((bulgar or bulges) or ((bulgarie or vulgaris) or bilgere)))*.