Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
4.3 communication » 2.3 communication, 4.1 communication, 4 communication
technology trade » technology trends, technology transfer, technology transfers
information war » information what, information wants, information when
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
war case » dar case, war cash, war causes
case 4.3 » case 4.1, case 4.2, case 2.3
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 trade information war case 4.3 communication costs 4 developpement l afrique.*.