Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
de communications » de communication, do communications, mce communications
technologies 4 » technologies _
developing ict » developing east, developing city, developing data
4 information » 2 information, 1 information
15 developing » 1 developing, 5 developing, 10 developing
contents 3.3 » contents 3.1, content 3.3, contexts 3.3
ict africa » art africa, joint africa
costs 15 » costs 5, costs 1, costs 15.3
3.3 de » 3.3 die, 3.3 der, 3.3 dem

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information contents 3.3 de communications costs 15 developing ict africa.*.