Perhaps you should try some spelling variations:
bulgare » vulgare, bulgarien, bulgaria, bulgere, bulgariae
bulgere » bulger, bilgere, burgere
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 bulgere) OR bulgariae) OR bulgarie)) OR bulgar).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgaars or (((bulgare OR bulgere) or bulgariae) or bulgarie)) or bulgar)".
• Adding a wildcard symbol may retrieve word variants: ((bulgaars or (((bulgare OR bulgere) or bulgariae) or bulgarie)) or bulgar)*.