Perhaps you should try some spelling variations:
2.5 communication » 2.3 communication, 2.7 communication, 3.5 communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
information war » information what, information wants, information when
de afrique » de l'afrique, en afrique, l afrique
war roles » war alles
roles 2.5 » roles 3.5, roles 5.5, roles 1.5
costs le » 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 _ information war roles 2.5 communication costs le developpement de afrique.*.