Perhaps you should try some spelling variations:
bulgerie » bulgarie, bulgarien, bulgariae
bulgareian » bulgarian, bulgarean, bulgarien, bulgareeian, vulgareian, bulgereian
bulgarica » bulgarisch, bulgarian, bulgarien, bulgareica, vulgarica, bulgerica
bulgaria » bulgareia, vulgaria, bulgeria
bulgar » bulgare, vulgar, bulger

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: ((bulgaria OR (bulgerie OR (bulgareian OR bulgarica))) OR (bulgar OR bulge)).
• Adding a wildcard symbol may retrieve word variants: ((bulgaria or (bulgerie or (bulgareian or bulgarica))) or (bulgar or bulge))*.