Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication layer » communication law, communication united
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
films personal » skills personal, aids personal, helps personal
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
layer du » layer _, layer 2, layer 5
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 des films personal communication layer du developpement en afrique.*.