Perhaps you should try some spelling variations:
bulgaars » bulgare, bulgar
bulgarica » bulgaria, bulgarisch, bulgarian
vulgare » vulgaris, vulgarly
bulgarien » bulgarian, bulgaria, bulgariann, vulgarisn
bulgarie » bulgaria, bulgarian, vulgaris

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 (bulgarica OR (vulgare OR vulgar))) OR (bulgarien OR bulgarie))*.