Perhaps you should try some spelling variations:
oral communication » mobile communication, _ communication, risk communication
communication pour » communication costs, communication modes, communication _
technologies new » technologies _, technologies a
new information » _ information, energy information, chief information
information gap » information _, information flow
de development » e development, de developpement, code development

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

• Adding a wildcard symbol may retrieve word variants: technologies new information gap de oral communication pour de development _ afrique.*.