Perhaps you should try some spelling variations:
bulgare » bulgarie, bulgarien, bulgaria, vulgare, bulgere, bulgariae
bulgariae » bulgaricae, bulgaria, bulgarian, vulgariae, bulgeriae, bulgariaiae
vulgare » vulgar, vulgaris, vulgarly
bulgar » vulgar, bulger, bulgaria

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: ((bulgaars OR ((bulgare OR bulgariae) OR vulgare)) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: ((bulgaars or ((bulgare or bulgariae) or vulgare)) or bulgar)*.