Perhaps you should try some spelling variations:
communication methods » communication media, communication model
oral communication » personal communication
development banks » development bank
information gaps » information gap
technologies 1 » technologies _, technologies 4, technologies 2
methods a » methods 1
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 1 information gaps de oral communication methods a development banks afrique.*.