Perhaps you should try some spelling variations:
bulgeriae » bulgariae, bulgaricae, bulgarian
vulgarian » bulgarian, bulgarians, vulgaridad
bulgaria » bulgareia, bulgeria, bulgarieia
bulgar » bulgare, bulger, bulgarie
vulgare » vulgaris
vulgarly » 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: ((bulgaria OR (bulgeriae OR vulgarian)) OR ((bulgar OR vulgar) OR (vulgare OR vulgarly))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgaria or (bulgeriae or vulgarian)) or ((bulgar OR vulgar) or (vulgare or vulgarly)))".
• Adding a wildcard symbol may retrieve word variants: ((bulgaria or (bulgeriae or vulgarian)) or ((bulgar OR vulgar) or (vulgare or vulgarly)))*.