Perhaps you should try some spelling variations:
transport information » transparent information, transit information, transport interaction
technology transport » technology transfer, technology transfers, technology transters
developpement en » developpement et, developpement des, developpement de
information why » information what, information when, information war
3 communication » 4 communication, de communication, data communication
4 developpement » de developpement, le developpement, et developpement
trade 3 » trade _, trade a, trade 4
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology transport information why trade 3 communication costs 4 developpement en afrique.*.