Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
moral information » more information, model information, rural information
technology moral » technology neutral, technology market, technology middle
information when » information what, information war, information wants
2 communications » 2 communication, 3 communications, 4 communications
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
when case » when base, women case, when can
costs 4 » costs _, costs a, costs 4.2
case 2 » case 1

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

• Adding a wildcard symbol may retrieve word variants: technology moral information when case 2 communications costs 4 developpement en afrique.*.