Perhaps you should try some spelling variations:
information rates » information states, information ratio, information rules
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
age information » care information, rate information, die information
technology age » technology usage, technology wages, technology a
rates case » rates cape, states case, rates east
de afrique » de l'afrique, en afrique, l afrique
case 5.2 » case 4.2, case 3.2, case 2
costs le » 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 age information rates case 5.2 communication costs le developpement de afrique.*.