Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement de » developpement des, developpement durable
information war » information what, information wants, information when
a developpement » au developpement, de developpement, le developpement
technology 1 » technology _
war cash » hard cash, a cash, can cash
cash 4.1 » cas 4.1, cash 4.3.1, ash 4.5
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information war cash 4.1 communication costs a developpement de l'afrique.*.