Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
information need » information needs, information needed, information speed
la communication » data communication, data communications
development can » development case, development co, development canada
can afrique » en afrique
need de » need le, need fide, need one
modes a » models a, modes _, modes 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information need de la communication modes a development can afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information need de la communication modes a development can afrique.*.