Perhaps you should try some spelling variations:
change information » chandos information, trade information
technology change » technological change, technological changes
information costs » information contents, information centers, information content
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
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 4.2 » case 4.1, case 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 change information costs case 4.2 communication costs de development lid afrique.*.