Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
ct information » cost information, get information, iot information
technology ct » technology cost, technology can, technology 1
information 2 » information 3
costs du » costs _, costs 4, costs a
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 ct information 2 areas case communication costs du developpement en afrique.*.