Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgarian, bulgarie, bulgareiae, vulgariae, bulgarieiae
bulgariaiae » bulgaricae, bulgariia, bulgareiaiae, vulgariaiae, bulgarieiaiae
vulgarica » bulgarica, bulgaricae, vulgaridad
bulgaria » bulgareia, vulgaria, bulgarieia
bulgar » bulgare, vulgar, bulgarie
vulgare » vulgar, vulgaris, vulgarly
bulger » bulge, bulges

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 bulgariaiae) OR (bulgaria OR vulgarica)) OR ((bulgar OR (vulgare OR vulgare)) OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgariaiae) or (bulgaria or vulgarica)) or ((bulgar or (vulgare or vulgare)) or bulger))*.