Perhaps you should try some spelling variations:
oral communication » mobile communication, _ communication, risk communication
communication pour » communication costs, communication modes, communication _
use information » user information, based information, asset information
technology use » technology push, technology based, technology risk
development a » development _, development bank, development banks
flows debt » low debt

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 debt oral communication pour _ development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology use information flows debt oral communication pour _ development a afrique.*.