Perhaps you should try some spelling variations:
bulgare » vulgare, bulgaria, vulgares, bulgariae
bulgarien » bulgarian, bulgaria, vulgarien, bulgariaien, bulgariann, vulgarisn
bulgerie » bulgariae, bulgaria, algerie, bulgeie, bulgesie
bulgar » vulgar, bulgaria
bulgarie » vulgarie, bulgariaie, bulgaria, bulgarian, vulgaris
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: ((bulgaars OR ((bulgare OR bulgarien) OR bulgerie)) OR ((bulgar OR bulgarie) OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgaars or ((bulgare or bulgarien) or bulgerie)) or ((bulgar OR bulgarie) or bulger))".
• Adding a wildcard symbol may retrieve word variants: ((bulgaars or ((bulgare or bulgarien) or bulgerie)) or ((bulgar OR bulgarie) or bulger))*.