Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
care information » more information, change information, trade information
information when » information what, information war, information wants
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
technology care » technology case, technology curve, technology can
costs et » costs _, costs 4, costs a
when a » when _
a 2.7 » a 2.1, a 2.2, a 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology care information when a 2.7 communication costs et developpement de l'afrique.*.