Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
information wants » information war, information what, information when
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
technology trade » technology trends, technology transfer, technology transfers
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
wants trade » wages trade, patents trade, brands trade
trade 4.1 » trade 2.2, trade 3.2
l afrique » en afrique
costs a » costs _, costs 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 wants trade 4.1 communication costs a developpement l afrique.*.