Perhaps you should try some spelling variations:
information rates » information states, information ratio, information rules
5.4 communication » de communication, data communication
au developpement » du developpement, de developpement, le developpement
age information » care information, rate information, die information
technology age » technology usage, technology wages, technology a
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
costs au » costs a, costs amy, costs _

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 5.4 communication costs au developpement des afrique.*.