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

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