Perhaps you should try some spelling variations:
communication services » telecommunications services
formal communication » informal communication, oral communication, moral communication
des developpement » des developpements, de developpement, le developpement
developpement et » developpement des, developpement de, development east
des variation » does variation, de variation, der variation
services des » services does, services de, service des
does formal » loss formal, does formality, des formalen
et afrique » en afrique, l afrique
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 _ does formal communication services des developpement et afrique.*.