Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information content » information contents, information centers, information centre
11.7 developing » 11.5 developing, 12.7 developing, 11.7.4 developing
technologies 4 » technologies _
4 information » 2 information, 1 information
developing a » developing _
costs 11.7 » costs 11.1, costs 11.4, costs 1.1.3
content i » content _, content 1, content 3
i mobile » ii mobile, _ mobile, a mobile
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information content i mobile communications costs 11.7 developing a africa.*.