Perhaps you should try some spelling variations:
bulgare » bulgarie, bulgarien, bulgaria, vulgare, bulgere, bulgariae
vulgarien » bulgarien, bulgariens, vulgarisee
vulgare » vulgar, vulgaris, vulgarly
bulgar » vulgar, bulger, bulgaria
bulgariia » vulgariia, bulgeriia, bulgariaiia, bulgaria, bulgarica, bulgaricae

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: ((((bulgare OR vulgarien) OR vulgare) OR vulgare) OR (bulgar OR bulgariia)).
• Adding a wildcard symbol may retrieve word variants: ((((bulgare or vulgarien) or vulgare) or vulgare) or (bulgar or bulgariia))*.