Perhaps you should try some spelling variations:
data communication » data communications
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
a developpement » au developpement, de developpement, le developpement
des variation » does variation, de variation, der variation
variation der » variation des, variation bei, variation _
der forest » der forst, older forest, dry forest
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation der forest data communication 3 a developpement en afrique.*.