Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
cost information » postal information, about information, asset information
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
technology cost » technology case, technology can, technology choice
information 4 » information 2
costs du » costs _, costs 4, costs a
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technology cost information 4 areas case communication costs du developpement en afrique.*.