Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
same developpement » sme development, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
dem device » tpm device
des dem » das dem, des der, des des

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation des dem device communication _ same developpement en afrique.*.