Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, bulgareiae, vulgariae, bulgeriae
vulgariae » vulgarise, bulgaricae, vulgaridad
vulgarly » vulgar, vulgaris
bulgar » bulgare, vulgar, bulger

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: (((bulgariae OR vulgariae) OR vulgarly) OR bulgar).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgariae OR vulgariae) or vulgarly) or bulgar)".
• Adding a wildcard symbol may retrieve word variants: (((bulgariae OR vulgariae) or vulgarly) or bulgar)*.