Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
based communications » based communication, speed communications, aided communications
de confirmation » side confirmation, _ confirmation, 5 confirmation
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
confirmation 2 » confirmation _, confirmation 3, confirmation 9
technology de » technology does, technology dlt, technology 1
aes based » ses based, areas based, cases based
l afrique » en afrique
costs 4 » costs _, costs a, costs 4.2
2 aes » 2 abs, _ aes, 2 als

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

• Adding a wildcard symbol may retrieve word variants: technology de confirmation 2 aes based communications costs 4 developpement l afrique.*.