Perhaps you should try some spelling variations:
vulgarise » vulgarisee, vulgarises, vulgaris
bulgaria » bulgareia, bulgarieia
bulgar » bulgare, bulgarie
bulgareiee » bulgareeiee, bulgarieeiee, bulgarien, bulgarie, bulgariae
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: ((vulgarise OR bulgaria) OR ((bulgar OR (bulgareiee OR vulgar)) OR bulger))*.