Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpement la » developpement de, developpement et, developpement du
information war » information what, information wants, information when
4 developpement » de developpement, le developpement, et developpement
la afrique » l afrique, la fabrique, en afrique
war roles » war alles
roles 2.7 » role 2.7, roles 2.3, roles 14.7
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 _ information war roles 2.7 communication costs 4 developpement la afrique.*.