Perhaps you should try some spelling variations:
actors communication » actions communication, active communication, networks communication
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
technologies 2 » technologies _, technologies 4
author actors » authors authors, authors autoras
about author » about another, about authorship, about autism
l afrique » en afrique
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 2 information about author actors communication costs a developpement l afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information about author actors communication costs a developpement l afrique.*.