Perhaps you should try some spelling variations:
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
4 communication » 3 communication, 5.4 communication, de communication
informal about » informal out, informal labor, informal group
de african » do african, de africa, me african
media der » media order, media under, mediale der
about c » about cu, about _, about a
c 4 » ch 4

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

• Adding a wildcard symbol may retrieve word variants: technologie _ informal about c 4 communication media der developpement de african.*.