Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies aids » technologies varies, technologies a, technologies de
aids information » chandos information, series information
development case » development china
le development » e development, ce development, le developpement
costs le » costs _, costs 4, costs a
de data » e data, wide data, de datos

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

• Adding a wildcard symbol may retrieve word variants: technologies aids information _ de data communications costs le development case afrique.*.