Perhaps you should try some spelling variations:
bulgariia » bulgarica, bulgaricae, bulgarian, bulgareiia, vulgariia, bulgeriia
vulgarie » vulgarise, vulgaris, vulgare
bulgaria » bulgareia, vulgaria, bulgeria
bulgar » bulgare, vulgar, bulger

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: ((bulgariia OR (bulgaria OR vulgarie)) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: ((bulgariia or (bulgaria or vulgarie)) or bulgar)*.