Perhaps you should try some spelling variations:
vulgarise » vulgarisee, vulgarises, vulgaris
vulgaricae » bulgaricae, bulgarica, vulgaridad
bulgariae » bulgaricae, bulgaria, bulgarian, bulgareiae, vulgariae, bulgeriae
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 ((vulgaricae OR bulgariae) OR (bulgerian OR vulgarisch))) OR (bulgar OR bulge)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vulgarise or ((vulgaricae OR bulgariae) or (bulgerian or vulgarisch))) or (bulgar or bulge))".
• Adding a wildcard symbol may retrieve word variants: ((vulgarise or ((vulgaricae OR bulgariae) or (bulgerian or vulgarisch))) or (bulgar or bulge))*.