Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information content » information contents, information centers, information centre
ec communications » ec communication, 10 communications, 14 communications
technologies 3.1 » technologies 2.1, technologies 3.2, technologies _
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
content book » content about, content from, content does
developing e » developing _, developing a, developing east
costs 2.4 » costs 12.4, costs 23.4, cost 2.4
e africa » em africa, de africa, eu africa
book ec » book c, book end

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.1 information content book ec communications costs 2.4 developing e africa.*.