Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.1 communications » 3.1 communications, 4.1 communication, 1.1 communication
information when » information what, information war, information wants
age information » care information, rate information, die information
technology age » technology usage, technology wages, technology a
4 development » 2 development, 4 developing
development d » development ds, development 1, development did
when space » open space, when face
d afrique » l 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 age information when space 2.1 communications costs 4 development d afrique.*.