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 our » information oder, information och, information source
des afrique » en afrique, de l'afrique
our case » four case, your case, four cases
case 4.2 » case 4.1, case 2
costs du » costs _, costs 4, costs a

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

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