Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
information 2.3.3 » information 4.3.3, information 2.3.2, information 3.3.3
de communication » mobile communication, online communication
d1 developpement » de developpement, du developpement, le developpement
des afrique » en afrique, de l'afrique
2.3.3 der » 2.3.1 der, 2.3.2 der, 3.3.3 der
case d1 » case 1, case d, case 11

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 2.3.3 der de communication case d1 developpement des afrique.*.