Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
en developpement » et developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
informal group » informal groups, informal gold, informal out
group them » group theory
l afrique » en afrique
media en » media era, media _, media 1
them de » thema der, thema des

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

• Adding a wildcard symbol may retrieve word variants: technologie _ informal group them de communication media en developpement l afrique.*.