Perhaps you should try some spelling variations:
sample communication » example communication, complex communication, people communication
technologies von » technologies co, technologies box, technologies can
developing urban » development urban, developing human, developing areas
von information » von informationen, can information
information 3.4 » information 3.2, information 2, information 1
areas sample » das sample, des sample, items sample
4 developing » 3 developing
urban africa » urban area
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: technologies von information 3.4 areas sample communication costs 4 developing urban africa.*.