Perhaps you should try some spelling variations:
bulgariae » bulgarie, bulgarians, bulgarien
bulgareiae » bulgarie, bulgarean, bulgariia
bulgaricae » bulgarische, bulgarie, bulgaricus, bulgariene, bulgariee
bulgarian » hungarian
bulgarica » bulgarisch, bulgarien, bulgarie
bulges » bulge

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 bulgareiae) OR (bulgaricae OR ((bulgarian OR bulgaria) OR bulgarica))) OR (vulgar OR bulges)).
• Adding a wildcard symbol may retrieve word variants: (((bulgariae or bulgareiae) or (bulgaricae or ((bulgarian or bulgaria) or bulgarica))) or (vulgar or bulges))*.