Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
information about » information flows, information flow
la communication » _ communication, mass communication, oral communication
le developpement » de developpement, _ development, a development
developpement en » development _, development a, development co
about de » about _
modes le » modes _

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 about de la communication modes le developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information about de la communication modes le developpement en afrique.*.