Perhaps you should try some spelling variations:
communication efforts » communication networks, communications networks, communication network
oral communication » mobile communication, _ communication, risk communication
information gaps » information gap, information flows, information needs
technologies de » technologies new, technologies _, technologies a
sme development » _ development, a development, asian development
de information » do information, debt information, does information

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

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