Perhaps you should try some spelling variations:
actors communication » actions communication, active communication, networks communication
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
does actors » msmes actors
about does » about due, about duties
costs a » costs _, costs 4

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information about does actors communication costs a developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information about does actors communication costs a developpement en afrique.*.