Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgarie, bulgarians, bulgareiae, vulgariae, bulgarieiae
bulgarian » hungarian, bulgareian, vulgarian, bulgarieian
bulgarica » bulgarisch, bulgarien, bulgarie, bulgareica, vulgarica, bulgarieica
bulgaria » bulgareia, vulgaria, bulgarieia
bulgar » bulgare, vulgar, bulgarie
vulgarly » vulgar, vulgaris
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 (bulgarica OR bulgaria)) OR ((bulgar OR (vulgarly OR vulgarly)) OR bulger)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgarian) or (bulgarica or bulgaria)) or ((bulgar or (vulgarly or vulgarly)) or bulger))*.