Perhaps you should try some spelling variations:
communication models » communication modes, communication mode, communication mediums
information gaps » information gap, information flows, information needs
la communication » _ communication, mass communication, oral communication
development bank » development _
a development » _ development, clean development, asian development
bank afrique » bank africa
models a » models _, model a, model _

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information gaps de la communication models a development bank afrique.*.