Perhaps you should try some spelling variations:
bulgariia » bulgarica, bulgaricae, bulgarian, bulgareiia, vulgariia, bulgarieiia
bulgaria » bulgareia, vulgaria, bulgarieia
bulgar » bulgare, vulgar, bulgarie
bulger » bulge, bulges
bulgee » bulge, bulges, bulged
bilgere » bilger, bilgeri, billigere

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