Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgariaica » bulgarica, bulgariia, bulgareiaica, vulgariaica, bulgeriaica
bulgar » bulgare, vulgar, bulger
bulgarie » bulgareie, vulgarie, bulgerie, bulgaria, bulgarian, vulgare
bulgarien » bulgareien, vulgarien, bulgerien, bulgarian, bulgariann, vulgaren, bulgaria
vulgaris » bulgaria, vulgar
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 bulgarie) OR (bulgarien OR vulgaris)) OR bulges)).
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or bulgariaica) or (((bulgar or bulgarie) or (bulgarien or vulgaris)) or bulges))*.