Perhaps you should try some spelling variations:
information hours » information sources, information source, information how
de communication » mobile communication, online communication
developing urban » development urban, developing human, developing areas
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
hours debate » horak debate, u.s debate
a developing » a development
urban africa » urban area
debate de » debates de, debate we, debatte der
costs a » costs _, costs 4

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

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