Perhaps you should try some spelling variations:
information rates » information states, information ratio, information rules
5.4 communication » de communication, data communication
care information » more information, change information, trade information
technology care » technology case, technology curve, technology can
des afrique » en afrique, de l'afrique
rates case » rates cape, states case, rates east
case 5.4 » case 5.2, case 5.3, case 1.4

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

• Adding a wildcard symbol may retrieve word variants: technology care information rates case 5.4 communication costs _ developpement des afrique.*.