Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information 10.4.1 » information 10.1, information 10.5.3, information 12.2.1
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
10.4.1 does » 10.4.1 der, 10.4.1 smes, 14.3.1 does
does data » does cat
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: technologies _ information 10.4.1 does data communications costs 4 developpement en afrique.*.