Perhaps you should try some spelling variations:
data communication » data communications
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
costs data » cost data
media a » media _, media 1, media 3

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ costs data communication media a developpement de l'afrique.*.