Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
choice information » price information, change information, device information
technology choice » technology change
developpement lid » development lid, developpement il, developpement la
information case » information based, information can, information costs
4 communications » 14 communications, 4 communication, 2 communications
4 developpement » de developpement, le developpement, et developpement
lid afrique » l afrique
case case » base case, case based, use case
costs 4 » costs _, costs a, costs 4.2
case 4 » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technology choice information case case 4 communications costs 4 developpement lid afrique.*.