Perhaps you should try some spelling variations:
bulgaars » bulgare
vulgarisia » vulgaris, bulgariia, vulgarise, vulgarissia, vulgarsia, vulgaresia
vulgaria » bulgaria, vulgaris, vulvaria, vulgarisa, vulgara, vulgarea
vulgari » vulgaris, vulgar, vulgare
bulgar » bulgare, vulgar, bulger

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 (vulgarisia OR (vulgaria OR vulgari))) OR bulgar)*.