Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarie, bulgareiae, vulgariae, bulgariaiae
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
bulgariaica » bulgarica, bulgariia, bulgareiaica, vulgariaica, bulgariaiaica
vulgarica » bulgarica, bulgaricae, vulgaridad
bulgar » bulgare, vulgar, bulgaria
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 bulgarian) OR (bulgariaica OR vulgarica)) OR ((bulgar OR (vulgare OR vulgare)) OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgarian) or (bulgariaica or vulgarica)) or ((bulgar or (vulgare or vulgare)) or bulger))*.