Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
leur developpement » le developpement, deux developpements, de developpement
information case » information based, information can, information costs
developpement l » developpement il, developpement la, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
costs leur » costs clear
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies a information case _ mobile communications costs leur developpement l afrique.*.