Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, bulgaricae
bulgarie » bulgaria, bulgarian, vulgaris
bulgarien » bulgarian, bulgariann, vulgarisn, bulgaria
bulgariens » bulgarians, bulgarianns, vulgarisns, bulgarias, bulgarian
bulgarisch » bulgarische, bulgarischen
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: ((vulgariae OR (((bulgarie OR bulgarien) OR bulgariens) OR (vulcanized OR bulgarisch))) OR (vulgar OR bulger)).
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or (((bulgarie or bulgarien) or bulgariens) or (vulcanized or bulgarisch))) or (vulgar or bulger))*.