Perhaps you should try some spelling variations:
information studies » information sources, information series, information services
de communication » mobile communication, online communication
use information » user information, house information, users information
technology use » technology 1, technology 2.2, technology 3
studies debate » studies related, studies data, studies dte
4 developing » 3 developing
developing a » developing _
debate de » debates de, debate we, debatte der
a africa » 1 africa, can africa, em africa
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology use information studies debate de communication costs 4 developing a africa.*.