Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
flow information » allow information, flood information, how information
technology flow » technology low, technology from, technology food
information war » information what, information wants, information when
4 developpement » de developpement, le developpement, et developpement
des afrique » en afrique, de l'afrique
costs 4 » costs _, costs a, costs 4.2
war a » war _, war i
a 4.1 » a 4.2, a 6.1

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

• Adding a wildcard symbol may retrieve word variants: technology flow information war a 4.1 communication costs 4 developpement des afrique.*.