Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
based communications » based communication, speed communications, aided communications
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
3 information » 1 information
information 3 » information 2
technology 3 » technology _, technology 1, technology 4
aes based » ses based, areas based, cases based
costs a » costs _, costs 4
3 aes » 3 abs, _ aes

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information 3 aes based communications costs a developpement de l'afrique.*.