Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
more information » price information, trade information
du developpement » de developpement, le developpement, et developpement
technology more » technology moral, technology make, technology mara
information per » information super, information part, information pt
des afrique » en afrique, de l'afrique
costs du » costs _, costs 4, costs a
se 4.2 » use 4.2, see 4.2, sne 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology more information per se 4.2 communications costs du developpement des afrique.*.