Perhaps you should try some spelling variations:
bulgaars » bulgar
bulgeriia » bulgariia, bulgaria, bulgarica
vulgaria » bulgaria, vulgaris, vulvaria, vulgarisa, vulgara, vulgarea
vulgari » vulgaris, vulgar, vulgare
bulgare » bulgarie, vulgare, bulgarien

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 (bulgeriia OR (vulgaria OR vulgari))) OR bulgare)*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgaars or (bulgeriia or (vulgaria OR vulgari))) or bulgare)*".