Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
technologies based » technology based, technologies a, technologies new
oral communication » mobile communication, _ communication, risk communication
based information » based innovation, land information, care information
information act » information age, information about, information gaps
development aid » development a, development bank, development _

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

• Adding a wildcard symbol may retrieve word variants: technologies based information act de oral communication network _ development aid afrique.*.