Perhaps you should try some spelling variations:
vulgarian » bulgarian, bulgarians, vulgaridad
bulgaria » bulgareia, vulgaria, bulgarieia
bulgar » bulgare, vulgar, bulgarie
bulgarien » bulgareien, vulgarien, bulgarieien, bulgarian
vulgarise » vulgarisee, vulgarises, vulgaris
bulger » bulge, bulges
burgere » burger, burgerl, burgerij

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 bulgaria) OR (((bulgar OR (bulgarien OR vulgarise)) OR bulger) OR burgere)).
• Adding a wildcard symbol may retrieve word variants: ((vulgarian or bulgaria) or (((bulgar or (bulgarien or vulgarise)) or bulger) or burgere))*.