Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian
bulgereiae » bulgeeiae
bulger » bulge
bulgerie » bulgeie, bulgarie, bulgarien, bulgaria
bulges » bulge

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: ((bulgereiae OR bulgariae) OR ((bulger OR bulges) OR bulgerie))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgereiae or bulgariae) or ((bulger OR bulges) or bulgerie))*".