Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
era information » a information, via information, 4a information
information war » information what, information wants, information when
technology era » technology eva, technology e, technology e.g
des afrique » en afrique, de l'afrique
war frames » wire frames, war crimes, war games
frames 4.1 » frames 6.1, frames 1

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

• Adding a wildcard symbol may retrieve word variants: technology era information war frames 4.1 communication costs _ developpement des afrique.*.