Perhaps you should try some spelling variations:
cas communication » c's communication, class communication, mass communication
technologies can » technologies a, technologies co, technologies _
developing urban » development urban, developing human, developing areas
can information » von information, von informationen
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
urban africa » urban area
contents a » contents 1, contents _, contents i
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
a cas » a case, a cash, a casa

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

• Adding a wildcard symbol may retrieve word variants: technologies can information contents a cas communication costs 4.1 developing urban africa.*.