Perhaps you should try some spelling variations:
oral communication » mobile communication, _ communication, risk communication
use information » user information, based information, asset information
technology use » technology push, technology based, technology risk
a development » _ development, clean development, asian development
development a » development _, development bank, development banks
flows do » flows _
do oral » do rural

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology use information flows do oral communication _ a development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology use information flows do oral communication _ a development a afrique.*.