Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
vulgareiae » bulgariae, vulgarise
bulgarische » bulgarischen, ungarische, bulgareische, vulgarische, bulgariaische
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
bulgareica » bulgarica, bulgaria, bulgaricae, bulgareeica, vulgareica, bulgariaeica
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: (((vulgariae OR vulgareiae) OR (bulgarische OR (bulgarian OR bulgareica))) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((vulgariae or vulgareiae) or (bulgarische or (bulgarian or bulgareica))) or (bulgar or bulger))*.