Perhaps you should try some spelling variations:
communication efforts » communication networks, communications networks, communication network
oral communication » mobile communication, _ communication, risk communication
technologies care » technologies create, technologies a, technologies any
care information » more information, can information, change information
development aid » development a, development bank, 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: technologies care information et de oral communication efforts _ development aid afrique.*.