Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication layer » communication law, communication united
do developpement » de developpement, du developpement, le developpement
typologie eines » typologie cices, typologie einiger, typologie des
eines variation » die variation, does variation, minor 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 do » layer rgo, layer _, layer 2

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

• Adding a wildcard symbol may retrieve word variants: typologie eines variation des son's personal communication layer do developpement l afrique.*.