Perhaps you should try some spelling variations:
bulgaricae » bulgarica, bulgarische, bulgaria
bulgarie » bulgarien, bulgaria, bulgarian
bulgareiae » bulgariae, bulgaria, bulgarian
vulgaricae » bulgarica, bulgariae, vulgaridad
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: ((((bulgaricae OR bulgarie) OR bulgareiae) OR vulgaricae) OR (vulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((((bulgaricae or bulgarie) or bulgareiae) or vulgaricae) or (vulgar or bulger))*.