Perhaps you should try some spelling variations:
technologies credit » technologies create, technologies reduce
oral communication » mobile communication, _ communication, risk communication
communication does » communication modes, communication costs, communication needs
information gaps » information gap, information flows, information needs
de development » e development, de developpement, code development
does de » does debt

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

• Adding a wildcard symbol may retrieve word variants: technologies credit information gaps de oral communication does de development _ afrique.*.