Perhaps you should try some spelling variations:
bulgarie » bulgarian, vulgaris, vulgare, bulgareie, vulgarie
bulgarien » bulgariann, vulgarisn, vulgaren, bulgarian, bulgareien, vulgarien
vulgarien » bulgariens, vulgarisee, vulgarises
bulgaria » bulgareia, vulgaria
bulgar » bulgare, vulgar
bulgere » bulgare, bilgere, burgere, bulgee, bulgese
bulger » bulge, bulges

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: (((bulgarie OR (bulgarien OR vulgarien)) OR bulgaria) OR (bulgar OR (bulgere OR bulger))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgarie or (bulgarien or vulgarien)) or bulgaria) or (bulgar or (bulgere OR bulger)))".
• Adding a wildcard symbol may retrieve word variants: (((bulgarie or (bulgarien or vulgarien)) or bulgaria) or (bulgar or (bulgere OR bulger)))*.