Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
oral communication » personal communication
information gaps » information gap
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
bank afrique » en afrique, bank africa, bank african
gaps de » gaps do, camps de, gaps new
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 a information gaps de oral communication network _ development bank afrique.*.