Perhaps you should try some spelling variations:
bulgariae » bulgaria, bulgarians, bulgarien, bulgareiae, vulgariae, bulgariaiae
bulgarie » bulgarien, bulgaria, vulgaris, bulgareie, vulgarie, bulgariaie
bulgaricae » bulgarica, bulgarische, bulgaria, bulgareicae, vulgaricae, bulgariaicae
vulgarica » bulgarica, vulgaridad, bulgaria
bulgarian » bulgaria, hungarian, bulgareian, vulgarian, bulgariaian
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 bulgarie) OR bulgaricae) OR (vulgarica OR bulgarian)) OR (bulgar OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((bulgariae OR bulgarie) or bulgaricae) or (vulgarica or bulgarian)) or (bulgar or bulger))".
• Adding a wildcard symbol may retrieve word variants: ((((bulgariae OR bulgarie) or bulgaricae) or (vulgarica or bulgarian)) or (bulgar or bulger))*.