Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
information what » information war, information when, information wants
3 communication » 4 communication, de communication, data communication
4 developpement » de developpement, le developpement, et developpement
des afrique » en afrique, de l'afrique
what mode » what model, what made, what models
costs 4 » costs _, costs a, costs 4.2
mode 3 » mode _, mode 1, mode 4

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

• Adding a wildcard symbol may retrieve word variants: technology trade information what mode 3 communication costs 4 developpement des afrique.*.