Perhaps you should try some spelling variations:
technologies energy » technologies general, technology energy, technologies any
child development » world development
development event » development recent, development decent, development seven
la communication » data communication, data communications
event afrique » en afrique
costs child » costs china

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies energy information _ de la communication costs child development event afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies energy information _ de la communication costs child development event afrique.*.