Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, vulgariae, bulgeriae, bulgariaiae
bulgareicae » bulgaricae, bulgarica, vulgareicae, bulgereicae, bulgariaeicae, bulgarieicae, bulgarienicae
vulgaria » bulgaria, vulgaris, vulgari
bulgarisch » bulgarische, bulgarischen, vulgarisch, bulgerisch, bulgariaisch
bulgar » vulgar, bulger, bulgaria
bulgare » vulgare, bulgere, bulgariae, bulgarie, bulgarien
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: ((bulgariae OR (bulgareicae OR (vulgaria OR bulgarisch))) OR ((bulgar OR bulgare) OR bulges)).
• Adding a wildcard symbol may retrieve word variants: ((bulgariae or (bulgareicae or (vulgaria or bulgarisch))) or ((bulgar or bulgare) or bulges))*.