Perhaps you should try some spelling variations:
technologies state » technologies stage, technologies status, technologies storage
de communication » mobile communication, online communication
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
state formation » state estimation
formation 3.3 » formation 3.2, formation 5.3, formation 1.3
de afrique » de l'afrique, en afrique, l afrique
media et » media art, media era, media _
die de » die die, die der, die den

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

• Adding a wildcard symbol may retrieve word variants: technologies state formation 3.3 die de communication media et developpement de afrique.*.