Perhaps you should try some spelling variations:
vulgarise » vulgarises, vulgaris, vulgariter
vulgarisee » vulgarisese, vulgarise, vulgaritere, vulgarises, vulgaris, vulgariter
vulgaricae » bulgaricae, bulgarica, bulgariae
bulgerian » bulgarian, bulgarians, bulgaria
vulgarisch » bulgarisch, bulgarische, vulgaris
bulgar » bulgare, vulgar, bulger

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: (((vulgarise OR vulgarisee) OR (vulgaricae OR (bulgerian OR vulgarisch))) OR (bulgar OR bulge)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((vulgarise OR vulgarisee) or (vulgaricae or (bulgerian or vulgarisch))) or (bulgar or bulge))".
• Adding a wildcard symbol may retrieve word variants: (((vulgarise OR vulgarisee) or (vulgaricae or (bulgerian or vulgarisch))) or (bulgar or bulge))*.