Perhaps you should try some spelling variations:
era developpement » et developpement, en developpement, leur developpement
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
informal group » informal groups, informal gold, informal out
group them » group theory
de afrique » de l'afrique, en afrique, l afrique
media era » media a, media art
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 era developpement de afrique.*.