Perhaps you should try some spelling variations:
bulgareiae » bulgariae, bulgarian, bulgarie, bulgareeiae, vulgareiae, bulgarieeiae
vulgarise » vulgarises, vulgaris, vulgariter
vulgarisee » vulgarisese, vulgarise, vulgaritere, vulgarises, vulgaris, vulgariter
bulgarica » bulgarisch, bulgarian, bulgarien, bulgareica, vulgarica, bulgarieica
bulgaria » bulgareia, vulgaria, bulgarieia
bulgar » bulgare, vulgar, bulgarie
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 bulgareiae) OR ((vulgarise OR vulgarisee) OR bulgarica)) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgaria or bulgareiae) or ((vulgarise or vulgarisee) or bulgarica)) or (bulgar or bulger))*.