Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgariaica » bulgarica, bulgariia, bulgareiaica, vulgariaica, bulgeriaica
bulgar » bulgare, vulgar, bulger
bulgarien » bulgareien, vulgarien, bulgerien, bulgarian
bulgareie » bulgareeie, vulgareie, bulgereie, bulgarie, bulgare, bulgares
bulgaria » bulgareia, vulgaria, bulgeria
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: ((vulgariae OR bulgariaica) OR (((bulgar OR bulgarien) OR (bulgareie OR bulgaria)) OR bulges)).
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or bulgariaica) or (((bulgar or bulgarien) or (bulgareie or bulgaria)) or bulges))*.