Perhaps you should try some spelling variations:
oral communication » personal communication
development urban » development bank, development band, development update
technologies new » technologies _, technologies 4, technologies 2
new information » 2 information
de development » e development, ce development, de developpement
urban africa » urban area
flows do » flows how, flows job, flows _
do oral » do rural, who oral

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

• Adding a wildcard symbol may retrieve word variants: technologies new information flows do oral communication _ de development urban africa.*.