Perhaps you should try some spelling variations:
bulgarischer » bulgarischen, bulgarische, bulgarisch, vulgarischer, bulgarieischer
vulgaridad » vulgarized
bulgarica » bulgarisch, bulgarian, bulgarien, vulgarica, bulgarieica
bulgaria » vulgaria, bulgarieia
bulgar » vulgar, bulgarie
bulgare » vulgare, bulgariee, bulgarie, bulgarien
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: ((bulgaria OR (bulgarischer OR (vulgaridad OR bulgarica))) OR ((bulgar OR bulgare) OR (bulger OR bulge))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgaria or (bulgarischer or (vulgaridad or bulgarica))) or ((bulgar or bulgare) or (bulger OR bulge)))".
• Adding a wildcard symbol may retrieve word variants: ((bulgaria or (bulgarischer or (vulgaridad or bulgarica))) or ((bulgar or bulgare) or (bulger OR bulge)))*.