Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
des variation » does variation, de variation, der variation
a a » a la
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 online communication a a developpement en afrique.*.