Perhaps you should try some spelling variations:
personal communication » interpersonal communication
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
variation over » variation der, variation notes, variation des
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
new personal » der personal, how personal, de personal
over new » ever new, other new, offer new

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation over new personal communication _ du developpement en afrique.*.