Perhaps you should try some spelling variations:
communication methods » communication networks, communication network, communications networks
oral communication » mobile communication, _ communication, risk communication
development banks » development bank
technologies how » technologies new, technologies _, technologies a
how information » new information, job information, _ information
information act » information age, information about, information gaps

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

• Adding a wildcard symbol may retrieve word variants: technologies how information act de oral communication methods _ development banks afrique.*.