Perhaps you should try some spelling variations:
services communication » device communication, service telecommunication, crisis communication
leur developpement » le developpement, deux developpements, de developpement
variation series » education series, action series, edition series
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
e services » care services
series e » series _, series 1, series 2
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 series e services communication a leur developpement en afrique.*.