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
de development » e development, ce development, de developpement
development li » development lid, development lie, development lin
costs case » costs cash
li afrique » l afrique, en afrique
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 li afrique.*.