Perhaps you should try some spelling variations:
development banks » development bank
information need » information needs, information based, information age
communication a » communication _, communications _, communicating _
technologies a » technologies _
a information » _ information, land information, award information
a mobile » _ mobile
a system » _ system
need a » need _

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 a mobile communication a system development banks afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information need a mobile communication a system development banks afrique.*.