Perhaps you should try some spelling variations:
bulgeriae » bulgariae, bulgarian, bulgarie, bulgeiae
bulgerie » bulgarie, bulgarien, bulgariae, bulgeie
bulgaricae » bulgarische, bulgarian, bulgarie, bulgariane, bulgariene
bulgarica » bulgarisch, bulgarian, bulgarien
bulger » bulge
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: ((((bulgeriae OR bulgerie) OR bulgaria) OR (bulgaricae OR bulgarica)) OR (bulger OR bulges)).
• Adding a wildcard symbol may retrieve word variants: ((((bulgeriae or bulgerie) or bulgaria) or (bulgaricae or bulgarica)) or (bulger or bulges))*.