Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
cost information » postal information, about information, asset information
information when » information what, information war, information wants
developpement du » developpement de, developpement des, developpement et
technology cost » technology case, technology can, technology choice
a developpement » au developpement, de developpement, le developpement
when rules » ten rules, wooden rules
du afrique » en afrique, l afrique, de l'afrique
rules 4.2 » rules 3.2, rules 4.3
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 rules 4.2 communication costs a developpement du afrique.*.