Perhaps you should try some spelling variations:
bulgarische » bulgarischen, ungarische, bulgareische, vulgarische, bulgariaische
bulgareiae » bulgariae, bulgaria, bulgarian, bulgareeiae, vulgareiae, bulgariaeiae
vulgarica » bulgarica, bulgaricae, vulgaridad
bulgar » bulgare, vulgar, bulgaria
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: (((bulgarische OR bulgareiae) OR vulgarica) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgarische or bulgareiae) or vulgarica) or (bulgar or bulger))*.