Perhaps you should try some spelling variations:
oral communication » personal communication
technologies new » technologies _, technologies 4, technologies 2
information flow » information flows
developpement en » developpement et, developpement des, developpement de
new information » 2 information
flow de » flow der, flow e
de oral » de otras, new oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies new information flow de oral communication networks _ developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information flow de oral communication networks _ developpement en afrique.*.