Perhaps you should try some spelling variations:
bulgariia » bulgarica, bulgaricae, bulgarian, bulgarieiia
bulgar » bulgarie
bulgaria » bulgarieia
bulgare » bulgariee, 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: (bulgariia OR ((((bulgar OR bulger) OR bulgaria) OR vulgar) OR bulgare)).
• Adding a wildcard symbol may retrieve word variants: (bulgariia or ((((bulgar or bulger) or bulgaria) or vulgar) or bulgare))*.