Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
1 communications » 10 communications, 14 communications, 1 communication
contents series » movements series
a information » 2 information, 1 information
development 4 » development 1
technology a » technology 1, technology 3, technology 4
4 afrique » l afrique, en afrique, 2014 afrique
series 1 » series _
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology a information contents series 1 communications costs 2 development 4 afrique.*.