Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgarica » bulgaria, bulgarisch, bulgarian, bulgareica, bulgerica, bulgariaica
bulgar » bulgare, bulger, bulgaria
bulgareie » bulgareeie, bulgereie, bulgariaeie, bulgarie, bulgaria, bulgarien
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 bulgarica) OR ((bulgar OR (bulgareie OR vulgar)) OR bulges)).
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or bulgarica) or ((bulgar or (bulgareie or vulgar)) or bulges))*.