Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
oral communication » personal communication
use information » user information, house information, users information
use development » case development, sme development, e development
technology use » technology 1, technology 2.2, technology 3
bank afrique » en afrique, bank africa, bank african
network use » network user, network users, network usage
flows de » flows do, flows debt, flows bei
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: technology use information flows de oral communication network use development bank afrique.*.