Perhaps you should try some spelling variations:
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
care information » more information, change information, trade information
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
technology care » technology case, technology curve, technology can
information war » information what, information wants, information when
war coal » hard coal, char coal, raw coal
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology care information war coal 3.5 communication costs et developpement de l'afrique.*.