Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
trade information » price information, private information, trade integration
information wants » information war, information what, information when
technology trade » technology trends, technology transfer, technology transfers
4 communications » 14 communications, 4 communication, 2 communications
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
wants case » acts case
de afrique » de l'afrique, en afrique, l afrique
costs a » costs _, costs 4
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 trade information wants case 4 communications costs a developpement de afrique.*.