Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
cost information » postal information, about information, asset information
information when » information what, information war, information wants
developpement de » developpement des, developpement durable
technology cost » technology case, technology can, technology choice
a developpement » au developpement, de developpement, le developpement
when cash » when can, when base, when cap
cash 4.1 » cas 4.1, cash 4.3.1, ash 4.5
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology cost information when cash 4.1 communication costs a developpement de l'afrique.*.