Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
information war » information what, information wants, information when
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
war space » air space, war peace, war race
space 2.3 » space 2.1, space 2.2, space 3.3
l afrique » en afrique
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 4 information war space 2.3 communication costs 4 developpement l afrique.*.