Perhaps you should try some spelling variations:
communication mode » communication modes, communication media, communication methods
child development » world development
information need » information needs, information based, information age
technologies a » technologies _
a information » _ information, land information, award information
development a » development _, development bank, development banks
mode child » mother child
does » des

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information need does mobile communication mode child development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information need does mobile communication mode child development a afrique.*.