Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information what » information war, information when, information wants
developpement de » developpement des, developpement durable
age information » care information, rate information, die information
4 developpement » de developpement, le developpement, et developpement
technology age » technology usage, technology wages, technology a
de afrique » de l'afrique, en afrique, l afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology age information what data data communications costs 4 developpement de afrique.*.