Perhaps you should try some spelling variations:
bulgaricae » bulgarische, bulgaricus, bulgarischen, bulgareicae, vulgaricae
bulgarian » hungarian, bulgareian, vulgarian
bulgarica » bulgarisch, bulgareica, vulgarica
bulgarien » vulgarisn, vulgaren, bulgareien, vulgarien
bulgarie » vulgaris, vulgare, bulgareie, vulgarie
vulgarica » vulgaridad, vulgaris, vulgari
bulgaria » bulgareia, vulgaria
bulgar » bulgare, vulgar
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: (((bulgarien OR bulgaria) OR (bulgaricae OR (bulgarian OR ((bulgarica OR bulgarie) OR vulgarica)))) OR (bulgar OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((bulgarien or bulgaria) or (bulgaricae or (bulgarian or ((bulgarica OR bulgarie) or vulgarica)))) or (bulgar or bulger))".
• Adding a wildcard symbol may retrieve word variants: (((bulgarien or bulgaria) or (bulgaricae or (bulgarian or ((bulgarica OR bulgarie) or vulgarica)))) or (bulgar or bulger))*.