Perhaps you should try some spelling variations:
communication system » communication systems, telecommunication system, communication series
data communication » data communications
development banks » development bank
information need » information needs, information needed, information speed
technology 1 » technology _
need fide » need fit
fide data » wide data, file data, life data

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information need fide data communication system _ development banks afrique.*.