Perhaps you should try some spelling variations:
technologies change » technological change, technology change, technological changes
communication modes » communication costs, communication media, communication methods
change information » trade information, chief information
le developpement » de developpement, _ development, a development
developpement en » development _, development a, development co
flows do » flows _
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 change information flows do _ communication modes le developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies change information flows do _ communication modes le developpement en afrique.*.