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