Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
information 2 » information 3
systems de » systemes de, systems der, systems die
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 information 2 areas case communication systems de developpement en afrique.*.