Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
over information » other information, der information, user information
au developpement » du developpement, de developpement, le developpement
developpement et » developpement des, developpement de, development east
technology over » technology never, technology other, technology one
costs cash » costs case
et afrique » en afrique, l afrique
cash 4.1 » cas 4.1, cash 4.3.1, ash 4.5
costs au » costs a, costs amy, costs _

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

• Adding a wildcard symbol may retrieve word variants: technology over information costs cash 4.1 communication costs au developpement et afrique.*.