Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information content » information contents, information centers, information centre
get communications » get communication, guest communications, et communication
11.7 developing » 11.5 developing, 12.7 developing, 11.7.4 developing
developing city » developing cities, developing data, developing high
technologien 2 » technologies 2, technologien _, technologien 1
city africa » china africa, cults africa
costs 11.7 » costs 11.1, costs 11.4, costs 1.1.3
content 3 » content _, content 1
3 get » _ get, i get, 4 get

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

• Adding a wildcard symbol may retrieve word variants: technologien 2 information content 3 get communications costs 11.7 developing city africa.*.