Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
aided communications » wired communications, speed communications, guinea communications
et developpement » de developpement, le developpement, test development
iv information » 2 information, 1 information
technology iv » technology ii, technology i, technology ict
des afrique » en afrique, de l'afrique
ses aided » irs aided
costs et » costs _, costs 4, costs a
3.2 ses » 3.2 sem, 3.2 sfs, 3.2 steps

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

• Adding a wildcard symbol may retrieve word variants: technology iv information 3.2 ses aided communications costs et developpement des afrique.*.