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