Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information content » information contents, information centers, information centre
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
a communications » a communication, data communications, a communicative
developing e » developing _, developing a, developing east
content 1.3 » context 1.3, content 2.3, content 3.3
e africa » em africa, de africa, eu africa
1.3 a » 1.3 _, 2.3 a, 1.1 a

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information content 1.3 a communications costs _ developing e africa.*.