Perhaps you should try some spelling variations:
bulgerie » bulgarien, bulgariae, algerie
bulgaria » vulgaria, bulgeria
bulgar » vulgar, bulger
bulgare » vulgare, bulgere, bulgarien, vulgares
bulgarie » vulgarie, bulgerie, bulgarien, bulgarian
vulgare » vulgar, vulgarly
vulgaris » vulgar

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 bulgerie) OR ((bulgar OR (bulgare OR bulgarie)) OR (vulgare OR vulgaris))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgaria or bulgerie) or ((bulgar or (bulgare or bulgarie)) or (vulgare OR vulgaris)))".
• Adding a wildcard symbol may retrieve word variants: ((bulgaria or bulgerie) or ((bulgar or (bulgare or bulgarie)) or (vulgare OR vulgaris)))*.