Perhaps you should try some spelling variations:
vulgarian » bulgarian, bulgarians, bulgaria
vulgaridad » vulgarized
bulgarieia » bulgariia, bulgaria, bulgarien, bulgareieia, bulgariaieia, bulgarieieia
bulgar » bulgare, bulgaria, bulgarie
bulger » 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: (((vulgarian OR vulgaridad) OR bulgarieia) OR (((bulgar OR vulgar) OR bulge) OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((vulgarian or vulgaridad) or bulgarieia) or (((bulgar or vulgar) or bulge) or bulger))*.