Perhaps you should try some spelling variations:
chile communications » china communications, machine communications, mobile communications
communications costs » communication costs, communications _
information age » information storage, information access, information about
4 developpement » de developpement, le developpement, et developpement
a information » 2 information, 1 information
technology a » technology 1, technology 3, technology 4
des afrique » en afrique, de 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 a information age _ chile communications costs 4 developpement des afrique.*.