Perhaps you should try some spelling variations:
data communication » data communications
information rates » information states, information ratio, information rules
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
des afrique » en afrique, de l'afrique
rates case » rates cape, states case, rates east
case data » cases data, base data, use data

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information rates case data communication costs _ developpement des afrique.*.