Perhaps you should try some spelling variations:
bulgaars » bulgare
bulgere » bulgare, bulger, burgere
bilgere » bilger, bilgeri, billigere
vulgarisn » vulgaris, vulgarise, vulgarisee
bulgarie » bulgarien, bulgaria, bulgarian, bulgareie, vulgarie, bulgerie
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: ((bulgaars OR (((bulgere OR bilgere) OR vulgarisn) OR bulgarie)) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: ((bulgaars or (((bulgere or bilgere) or vulgarisn) or bulgarie)) or bulgar)*.