Perhaps you should try some spelling variations:
services communication » device communication, service telecommunication, crisis communication
leur developpement » le developpement, deux developpements, de developpement
developpement en » developpement et, developpement des, developpement de
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
e services » care services
des e » des _, des 3

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

• Adding a wildcard symbol may retrieve word variants: ideologie der variation des e services communication a leur developpement en afrique.*.