Perhaps you should try some spelling variations:
bulgare » bulgarie, vulgare, bulgarien, bulgere, bulgariae
vulgaris » bulgaria, vulgar
bulgariaiens » bulgariens, bulgarians, bulgarien, vulgariaiens, bulgeriaiens, bulgariaiaiens
bulgarian » bulgaria, hungarian, vulgarian, bulgerian, bulgariaian
bulgar » vulgar, bulger, bulgaria

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: ((bulgare OR (vulgaris OR (bulgariaiens OR bulgarian))) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: ((bulgare or (vulgaris or (bulgariaiens or bulgarian))) or bulgar)*.