Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
developpement du » developpement de, developpement des, developpement et
technologie c » technologies 2, technologies 3, technologies 1
c information » 2 information, 1 information, 10 information
information a » information age, information about
du afrique » en afrique, l afrique, de l'afrique
1 online » 2.1 online
im l1 » im 1
im 21 » im 20

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologie c information a 1 online communication ((im l1) OR (im 21)) developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologie c information a 1 online communication ((im l1) OR (im 21)) developpement du afrique.*.