Perhaps you should try some spelling variations:
usage developpement » de developpement, le developpement, au developpement
cell communication » cell communications, oral communication, verbal communication
technologies daf » technologies dans, technologies a, technologies de
daf information » f information, math information, 2 information
information 1.2 » information 1.5.2, information 2
developpement l » developpement il, developpement la, developpement de
media usage » media use
l afrique » en afrique
es cell » es cells, does cell, test cell
1.2 es » 1.2 el, 1.2 eq, 1.2 eu

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

• Adding a wildcard symbol may retrieve word variants: technologies daf information 1.2 es cell communication media usage developpement l afrique.*.