Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
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
centers 1.3 » centers 3.3, centers 4.3, centers 12.4
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 centers 1.3 a communications costs _ developing e africa.*.