Perhaps you should try some spelling variations:
bulgarie » bulgarien, vulgaris, vulgare, bulgareie, vulgarie, bulgerie
bulgareian » bulgarean, bulgarien, bulgarians, bulgareeian, vulgareian, bulgereian
bulgarian » hungarian, bulgareian, vulgarian, bulgerian
bulgarica » bulgarisch, bulgarien, bulgareica, vulgarica, bulgerica
bulgaria » bulgareia, vulgaria, bulgeria
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: ((bulgaria OR (bulgarie OR ((bulgareian OR bulgarian) OR bulgarica))) OR (bulgar OR bulge)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgaria or (bulgarie or ((bulgareian OR bulgarian) or bulgarica))) or (bulgar or bulge))".
• Adding a wildcard symbol may retrieve word variants: ((bulgaria or (bulgarie or ((bulgareian OR bulgarian) or bulgarica))) or (bulgar or bulge))*.