Perhaps you should try some spelling variations:
based communications » based communication, speed communications, aided communications
communications costs » communication costs, communications _
du developpement » de developpement, le developpement, et developpement
vt information » ct information, get information, iot information
technology vt » technology vi, technology 1, technology 3
information 2 » information 3
des afrique » en afrique, de l'afrique
costs du » costs _, costs 4, costs a
2 area » 2 areal, 2 areas, 21 area

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

• Adding a wildcard symbol may retrieve word variants: technology vt information 2 area based communications costs du developpement des afrique.*.