Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
information need » information needs, information based, information age
la communication » _ communication, mass communication, oral communication
development can » development bank, development band, development case
technologies a » technologies _
a information » _ information, land information, award information
a development » _ development, clean development, asian development
modes a » models a, modes _, model a

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

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