Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
vulgaris » bulgaria, vulgar
bulgariaie » bulgariae, bulgaria, bulgarie, bulgareiaie, vulgariaie, bulgariaiaie
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
bulgarische » bulgarischen, ungarische, bulgareische, vulgarische, bulgariaische
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 ((vulgaris OR bulgariaie) OR (bulgarian OR bulgarische))) OR (bulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or ((vulgaris or bulgariaie) or (bulgarian or bulgarische))) or (bulgar or bulger))*.