Perhaps you should try some spelling variations:
bulgaars » bulgar
bulgariae » bulgaricae, bulgaria, bulgarian
vulgaria » bulgaria, vulgaris, vulgari
bulgerie » bulgarie, bulgarien, bulgaria, bulgeie, bulgesie
bulger » bulge, bulges
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 ((bulgariae OR vulgaria) OR bulgerie)) OR (bulger OR bulgare)).
• Adding a wildcard symbol may retrieve word variants: ((bulgaars or ((bulgariae or vulgaria) or bulgerie)) or (bulger or bulgare))*.