Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarie, vulgariae, bulgariaiae, bulgarieiae
bulgarische » bulgarischen, ungarische, vulgarische, bulgariaische, bulgarieische
vulgaridad » vulgarized
bulgarian » bulgaria, hungarian, vulgarian, bulgariaian, bulgarieian
bulgar » vulgar, bulgaria, bulgarie
bulgare » vulgare, bulgariae, bulgariee, bulgarie, 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: ((bulgariae OR (bulgarische OR (vulgaridad OR bulgarian))) OR ((bulgar OR bulgare) OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((bulgariae or (bulgarische or (vulgaridad or bulgarian))) or ((bulgar or bulgare) or bulger))*.