Perhaps you should try some spelling variations:
vulgareiae » bulgariae, vulgarise
bulgaricae » bulgarica, bulgarie, bulgarischer
bulgarische » ungarische
bulgarischen » ungarischen, bulgarien, ungarische
bulgarian » hungarian
bulgare » bulgarie, vulgare, bulgarien
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: ((vulgareiae OR ((bulgaricae OR (bulgarische OR bulgarischen)) OR (bulgarian OR bulgaria))) OR (bulgare OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((vulgareiae or ((bulgaricae or (bulgarische or bulgarischen)) or (bulgarian or bulgaria))) or (bulgare or bulger))*.