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