Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
la communication » _ communication, mass communication, oral communication
information et » information act, information _, information need
a development » _ development, clean development, asian development
development a » development _, development bank, development banks
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 _ information et de la communication modes a development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information et de la communication modes a development a afrique.*.