Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgareiae » bulgariae, bulgarian, bulgarie, bulgareeiae, vulgareiae, bulgarieeiae
bulgarische » bulgarischen, ungarische, bulgareische, vulgarische, bulgarieische
bulgarica » bulgarisch, bulgarian, bulgarien, bulgareica, vulgarica, bulgarieica
bulgar » bulgare, vulgar, bulgarie
bulgaria » bulgareia, vulgaria, bulgarieia

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 bulgareiae) OR (bulgarische OR bulgarica)) OR ((bulgar OR bulgaria) OR ((bulger OR bulges) OR bulge))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((vulgariae or bulgareiae) or (bulgarische or bulgarica)) or ((bulgar OR bulgaria) or ((bulger or bulges) or bulge)))".
• Adding a wildcard symbol may retrieve word variants: (((vulgariae or bulgareiae) or (bulgarische or bulgarica)) or ((bulgar OR bulgaria) or ((bulger or bulges) or bulge)))*.