Perhaps you should try some spelling variations:
bulgarischer » bulgarischen, bulgarische, bulgarisch, bulgareischer, vulgarischer, bulgarieischer
vulgaridad » vulgarized
bulgarica » bulgarisch, bulgarian, bulgarie, bulgareica, vulgarica, bulgarieica
bulgaria » bulgareia, vulgaria, bulgarieia
bulgar » bulgare, vulgar, bulgarie
bulgarien » bulgareien, vulgarien, bulgarieien, bulgarian
bulger » bulge, 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: ((bulgaria OR (bulgarischer OR (vulgaridad OR bulgarica))) OR ((bulgar OR bulgarien) OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((bulgaria or (bulgarischer or (vulgaridad or bulgarica))) or ((bulgar or bulgarien) or bulger))*.