Perhaps you should try some spelling variations:
communication models » communication modes, communication mode, communication mediums
technologies credit » technologies create, technologies reduce
la communication » _ communication, mass communication, oral communication
information act » information age, information about, information gaps
a development » _ development, clean development, asian development
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 credit information act de la communication models a development _ afrique.*.