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
development east » development southeast, development 1
3 communication » 4 communication, de communication, data communication
au development » eu development, au developpement, 2 development
channels due » changes due, channels jane, channels role
east afrique » east africa, east african, en afrique
costs au » costs a, costs amy, costs _
due 3 » due _, die 3, vue 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 channels due 3 communication costs au development east afrique.*.