Perhaps you should try some spelling variations:
4.2.1 communication » 4.2.2 communication, 4.2.4 communication, 4.5.1 communication
based information » basic information, based innovation, land information
information what » information war, information when, information wants
developpement du » developpement de, developpement des, developpement et
e developpement » de developpement, le developpement, et developpement
cash 4.2.1 » case 4.2.1, cash 4.3.1, caso 4.2.1
du afrique » en afrique, l afrique, de l'afrique
what cash » what can, what cost, what each
costs e » 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 based information what cash 4.2.1 communication costs e developpement du afrique.*.