Perhaps you should try some spelling variations:
technologies volume » technologies policies
communication costs » communication systems, communication efforts, communication skills
volume information » valuable information, consumer information, more information
oral communication » mobile communication, _ communication, risk communication
information need » information needs, information based, information age
a developpement » de developpement, a development, _ development
developpement a » development a, development _
costs a » costs _

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies volume information need de oral communication costs a developpement a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies volume information need de oral communication costs a developpement a afrique.*.