Perhaps you should try some spelling variations:
bulgarean » bulgarian, bulgaren, bulgarians, bulgareean, vulgarean, bulgerean
vulgarian » bulgarian, bulgarians, vulgaridad
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 (bulgarean OR (vulgarian OR bulgarica))) OR (bulgar OR bulge))*.