Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication layer » communication law, communication united
le developpement » de developpement, sme development
developpement l » developpement il, developpement la, developpement de
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
ex personal » e personal, der personal, des personal
l afrique » en afrique
layer le » layer l2, layer l3, layer l4

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

• Adding a wildcard symbol may retrieve word variants: typologien de variation _ ex personal communication layer le developpement l afrique.*.