Perhaps you should try some spelling variations:
bulgare » vulgare, bulgarien, bulgaria, bulgere, bulgariae
vulgarien » bulgarien, bulgariens, vulgarisee
bulgariae » bulgaricae, bulgaria, bulgarian, vulgariae, bulgeriae, bulgariaiae
bulgarie » bulgarien, bulgaria, bulgarian, vulgarie, bulgerie, bulgariaie
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 (bulgariae OR bulgarie))) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: ((bulgaars or ((bulgare or vulgarien) or (bulgariae or bulgarie))) or bulgar)*.