Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
leur developpement » le developpement, deux developpements, de developpement
developpement en » developpement et, developpement des, developpement de
variation des » variation _, variation 6, variation series
theologie im » theologie die, theologie 1, theologie 15
im variation » die variation, _ variation, 2 variation
3 device » 3 devices, _ device, a device
des 3 » des _

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

• Adding a wildcard symbol may retrieve word variants: theologie im variation des 3 device communication a leur developpement en afrique.*.