Perhaps you should try some spelling variations:
vulgarien » bulgarien, bulgariens, vulgarisee
vulgaria » vulgaris, vulgari, vulvaria
bulgar » bulgare, vulgar, bulger
bulgarie » bulgareie, vulgarie, bulgerie, bulgarien, bulgarian, vulgaris
bulgaria » bulgareia, vulgaria, bulgeria
bulges » bulge
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 bulgaria) OR bilgere))).
• Adding a wildcard symbol may retrieve word variants: ((vulgarien or vulgaria) or ((bulgar or bulges) or ((bulgarie or bulgaria) or bilgere)))*.