Perhaps you should try some spelling variations:
oral communication » personal communication
development urban » development bank, development band, development update
information case » information based, information can, information costs
4 development » 2 development, 4 developing
urban africa » urban area
case new » use new
new oral » new moral, knew moral, new rural
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 _ information case new oral communication costs 4 development urban africa.*.