Perhaps you should try some spelling variations:
6.13 communication » 6.1.3 communication, 2.3 communication, 4.1 communication
developpement en » developpement et, developpement des, developpement de
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
information war » information what, information wants, information when
a developpement » au developpement, de developpement, le developpement
technology 2.2 » technology _, technology 1, technology 3
case 6.13 » case 6.3, case 6.1, case 6.12
war case » dar case, war cash, war causes
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 2.2 information war case 6.13 communication costs a developpement en afrique.*.