Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
information when » information what, information war, information wants
developpement de » developpement des, developpement durable
3 communication » 4 communication, de communication, data communication
4 developpement » de developpement, le developpement, et developpement
de afrique » de l'afrique, en afrique, l afrique
when race » when face, when faced, women race
costs 4 » costs _, costs a, costs 4.2
race 3 » race 39, race _, race 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 when race 3 communication costs 4 developpement de afrique.*.