Perhaps you should try some spelling variations:
bulgeriae » bulgariae, bulgaricae, bulgaria, bulgeiae
vulgarie » vulgarise, vulgaris, vulgare
bulgar » bulgare, vulgar, bulgaria
bulgarien » bulgareien, vulgarien, bulgariaien, bulgarian, bulgaria
bulger » bulge
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: ((bulgeriae OR vulgarie) OR (((bulgar OR bulgarien) OR bulger) OR bulges))*.