Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
information 3.3.3 » information 4.3.3, information 2.3.2, information 3.2.2
de communication » mobile communication, online communication
de developpement » sme development
des afrique » en afrique, de l'afrique
3.3.3 der » 3.3.2 der, 2.3.3 der, 3.3.3 die
case de » case des, case d, case d1

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 3.3.3 der de communication case de developpement des afrique.*.