Perhaps you should try some spelling variations:
does developpement » de developpement, des developpements, does development
des variation » does variation, de variation, der variation
des l'afrique » de l'afrique, de l'amerique
apologie des » l'apologie des, typologie des, apologien der
variation a » variation _, variation 6, variation 5
dana b » dana _, dana l, dana m
dana k » dana _, dana l, dana m
a does » 2 does, 4 does, 1 does

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: apologie des variation a ((dana b) OR (dana k)) communication a does developpement des l'afrique.~.
• Adding a wildcard symbol may retrieve word variants: apologie des variation a ((dana b) or (dana k)) communication a does developpement des l'afrique.*.