Perhaps you should try some spelling variations:
ch communication » csr communication, de communication, 3 communication
developing urban » development urban, developing human, developing areas
technologies 2 » technologies _, technologies 4
3.3 developing » 4 developing, 2 developing, 1 developing
urban area » urban areas
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
note ch » quote ch
contents » context

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents note ch communication costs 3.3 developing urban area.*.