Perhaps you should try some spelling variations:
deux developpements » des developpements, de developpement, du developpement
developpements des » developpement des, developpements de, developpement de
apologien does » apologie des, apologien der
does variation » de variation, der variation, die variation
variation a » variation _, variation 6, variation 5
des afrique » en afrique, de l'afrique
a does » 2 does, 4 does, 1 does

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: apologien does variation a does _ communication a deux developpements des afrique.*.