Perhaps you should try some spelling variations:
vulgarian » bulgarian, bulgarians, bulgaria
vulgaridad » vulgarized
bulgarieia » bulgaria, bulgarien, bulgarie, bulgareieia, vulgarieia, bulgerieia
bulgariia » bulgaria, bulgarica, bulgaricae, bulgareiia, vulgariia, bulgeriia
bulgar » bulgare, vulgar, bulger
vulgaris » bulgaria, vulgar

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 bulgariia)) OR (((bulgar OR vulgaris) OR bulge) OR bulges)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((vulgarian or vulgaridad) or (bulgarieia OR bulgariia)) or (((bulgar or vulgaris) or bulge) or bulges))".
• Adding a wildcard symbol may retrieve word variants: (((vulgarian or vulgaridad) or (bulgarieia OR bulgariia)) or (((bulgar or vulgaris) or bulge) or bulges))*.