Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
oral communication » personal communication
technologies care » technologies case, technologies art, technologies can
care information » more information, change information, trade information
information need » information needs, information needed, information speed
case development » care development, based development, scale development
network case » networks case, network based, network data
need de » need le, need fide, need one
de oral » de otras, new oral

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

• Adding a wildcard symbol may retrieve word variants: technologies care information need de oral communication network case development _ afrique.*.