Perhaps you should try some spelling variations:
bulgare » bulgarie, vulgare, bulgaria, bulgere, bulgariae
vulgarien » bulgariens, vulgarisee, vulgarises
bulgerie » bulgarie, bulgariae, bulgaria
bulgarien » bulgarian, bulgaria, vulgarien, bulgerien, bulgariaien
bulgar » vulgar, bulger, bulgaria

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