Perhaps you should try some spelling variations:
bulgare » bulgarien, bulgaria, vulgares, bulgere, bulgariae
bulgarie » bulgarien, bulgaria, bulgarian, bulgerie, bulgariaie
bulgariae » bulgaricae, bulgaria, bulgarian, bulgeriae, bulgariaiae
vulgare » vulgaris, vulgarly
bulgar » 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: (((((bulgare OR bulgarie) OR bulgariae) OR (vulgare OR vulgar)) OR (vulgare OR vulgar)) OR bulgar).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((bulgare OR bulgarie) or bulgariae) or (vulgare or vulgar)) or (vulgare or vulgar)) or bulgar)".
• Adding a wildcard symbol may retrieve word variants: (((((bulgare OR bulgarie) or bulgariae) or (vulgare or vulgar)) or (vulgare or vulgar)) or bulgar)*.