Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
technologies chief » technologies new, technologies annex, technologies could
information about » information flows, information flow
la communication » _ communication, mass communication, oral communication
de developpement » _ development, a development, sme development
developpement en » development _, development a, development co
modes de » modes _, does de

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

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