Perhaps you should try some spelling variations:
communication efforts » communication networks, communications networks, communication network
change information » trade information, chief information
technology change » technological change, technological changes
information age » information gaps, information laws, information _
use development » sme development, e development, museum development
de mobile » does mobile, _ mobile, a mobile

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

• Adding a wildcard symbol may retrieve word variants: technology change information age de mobile communication efforts use development _ afrique.*.