Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgarian, bulgarie, bulgareiae, vulgariae, bulgeriae
bulgarischen » ungarischen, ungarische, bulgareischen, vulgarischen, bulgerischen
vulgarian » bulgarian, bulgarians, vulgaridad
bulgeria » bulweria, bulgarian, bulgarica
bulgaria » bulgareia, vulgaria, bulgeria
bulgar » bulgare, vulgar, bulger
bulgariee » bulgareiee, vulgariee, bulgeriee, bulgarie, bulgariens, bulgaricae
bulgarien » bulgareien, vulgarien, bulgerien, bulgarian

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 (bulgarischen OR (vulgarian OR (bulgaria OR bulgeria)))) OR ((bulgar OR (bulgariee OR bulgarien)) OR bulge)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgariae or (bulgarischen or (vulgarian or (bulgaria or bulgeria)))) or ((bulgar or (bulgariee OR bulgarien)) or bulge))".
• Adding a wildcard symbol may retrieve word variants: ((bulgariae or (bulgarischen or (vulgarian or (bulgaria or bulgeria)))) or ((bulgar or (bulgariee OR bulgarien)) or bulge))*.