Perhaps you should try some spelling variations:
bulgere » bulgare, bulger, bilgere
vulgari » vulgaris, vulgar, vulgare
vulgarien » vulgarisen, vulgaren, vulgareen, bulgarien, bulgariens, vulgarisee
bulgaria » bulgareia, vulgaria, bulgeria
bulgar » bulgare, vulgar, bulger

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: ((bulgere OR ((bulgaria OR vulgari) OR vulgarien)) OR bulgar)*.