Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
role information » rhode information, more information, one information
developpement de » developpement des, developpement durable
technology role » technology's role, technology risk, technology r
information war » information what, information wants, information when
4 developpement » de developpement, le developpement, et developpement
de afrique » de l'afrique, en afrique, l afrique
peace 2.3 » peace 2.9, peace 13.3, peace 7.4
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology role information war peace 2.3 communication costs 4 developpement de afrique.*.