Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication layer » communication law, communication united
le developpement » de developpement, sme development
typologie cices » typologie eines, typologie des
cices variation » price variation, die variation, does variation
developpement l » developpement il, developpement la, developpement de
son's personal » loans personal, msm's personal, roles personal
variation des » variation _, variation 6, variation series
des son's » des sohnes, des sols, des soins
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: typologie cices variation des son's personal communication layer le developpement l afrique.*.