Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information cause » information case, information use, information classes
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technologies 2 » technologies _, technologies 4
l afrique » en afrique
cause e » cause de, cause en, cause _
costs 4 » costs _, costs a, costs 4.2
e data » e datas, age data, cge data

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information cause e data communications costs 4 developpement l afrique.*.