Perhaps you should try some spelling variations:
bulgarie » bulgarien, bulgarian, vulgaris, bulgareie, vulgarie
bulgarieia » bulgarienia, bulgariania, vulgarisia, bulgariia, bulgarien, bulgariens, bulgareieia, vulgarieia
bulgaria » bulgareia, vulgaria
bulgar » bulgare, vulgar
bulger » bulge, bulges

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: ((bulgarie OR (bulgaria OR bulgarieia)) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((bulgarie or (bulgaria or bulgarieia)) or (bulgar or bulger))*.