Perhaps you should try some spelling variations:
vulgaria » bulgaria, vulgaris, vulgari
bulgeriae » bulgariae, bulgaricae, bulgaria, bulgeiae, bulgesiae
bulger » bulge, bulges
bulgere » bulgee, bulgese, bulgare, bilgere, burgere

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: ((vulgaria OR bulgeriae) OR (bulger OR bulgere)).
• Adding a wildcard symbol may retrieve word variants: ((vulgaria or bulgeriae) or (bulger or bulgere))*.