Perhaps you should try some spelling variations:
does developpement » de developpement, des developpements, does development
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
communication 4 » communication _, communication a, communication 3
des variation » does variation, de variation, der variation
variation 6 » variation _, variations _, variation des
4 does » 2 does
dr de » dr des, dr dr
6 dr » 6 der, 16 dr, _ dr

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (typologie OR typology) des variation 6 dr de communication 4 does developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: (typologie or typology) des variation 6 dr de communication 4 does developpement en afrique.*.