Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
information 1.5.2 » information 1.2, information 2
de communication » mobile communication, online communication
le developpement » de developpement, sme development
des afrique » en afrique, de l'afrique
1.5.2 der » 3.5.2 der, 5.5.2 der, 1.5.4 der
case le » case l, case la, case like

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 1.5.2 der de communication case le developpement des afrique.*.