Perhaps you should try some spelling variations:
del communication » cell communication, real communication, cell communications
developpement en » developpement et, developpement des, developpement de
information war » information what, information wants, information when
4 developpement » de developpement, le developpement, et developpement
technologies 4 » technologies _
4 information » 2 information, 1 information
donne del » donne et
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information war donne del communication costs 4 developpement en afrique.*.