Perhaps you should try some spelling variations:
vulgarien » bulgarien, bulgariens, vulgarisee
bulgareien » bulgarien, bulgarian, bulgarie, bulgareeien, vulgareien, bulgereien
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: ((bulgaria OR (vulgarien OR bulgareien)) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: ((bulgaria or (vulgarien or bulgareien)) or bulgar)*.