Perhaps you should try some spelling variations:
communication efforts » communication networks, communications networks, communication network
change information » trade information, chief information
oral communication » mobile communication, _ communication, risk communication
technology change » technological change, technological changes
use development » sme development, e development, museum development
information et » information act, information _, information need

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

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