Perhaps you should try some spelling variations:
bulgerie » bulgarie, bulgarien, bulgariae
bulgaria » vulgaria, bulgeria, bulgarieia
bulgar » vulgar, bulger, bulgarie
bulgare » vulgare, bulgere, bulgariee, bulgarie, bulgarien, vulgares
vulgare » vulgar, 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 bulgare) OR vulgare)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgaria or bulgerie) or ((bulgar OR bulgare) or vulgare))".
• Adding a wildcard symbol may retrieve word variants: ((bulgaria or bulgerie) or ((bulgar OR bulgare) or vulgare))*.