Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
vulgarische » bulgarische, bulgarischen, bulgarischer
bulgarians » bulgarian, bulgariens, bulgarien, bulgareians, vulgarians, bulgerians
bulgaria » bulgareia, vulgaria, bulgeria
bulgar » bulgare, vulgar, bulger
bulgariee » bulgareiee, vulgariee, bulgeriee, bulgarien, bulgarie, bulgariae

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: ((vulgariae OR (vulgarische OR (bulgarians OR bulgaria))) OR ((bulgar OR bulgariee) OR bulge)).
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or (vulgarische or (bulgarians or bulgaria))) or ((bulgar or bulgariee) or bulge))*.