Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarie, bulgareiae, vulgariae, bulgariaiae
vulgariae » vulgarise, bulgaricae, vulgaridad
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
vulgaricae » bulgaricae, vulgaridad, vulgarise
bulgarica » bulgaria, bulgarisch, bulgarien, bulgareica, vulgarica, bulgariaica
bulgar » bulgare, vulgar, bulgaria
bulger » bulge, bulges

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