Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
information costs » information contents, information centers, information content
3.2 communication » 3 communication, 2.3 communication, de communication
technology trade » technology trends, technology transfer, technology transfers
development lid » development led, development li, development lie
de development » e development, ce development, de developpement
lid afrique » l afrique
costs case » costs cash
case 3.2 » case 4.2, case 3.1, case 5.2
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology trade information costs case 3.2 communication costs de development lid afrique.*.