Perhaps you should try some spelling variations:
information channels » information exchanges, informal channels, information centers
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
de communication » mobile communication, online communication
developpement et » developpement des, developpement de, development east
a developpement » au developpement, de developpement, le developpement
channels due » changes due, channels jane, channels role
et afrique » en afrique, l afrique
costs a » costs _, costs 4
due de » vue de, que de, due date

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

• Adding a wildcard symbol may retrieve word variants: technology trade information channels due de communication costs a developpement et afrique.*.