Perhaps you should try some spelling variations:
oral communication » personal communication
communication mode » communication model, communication modes, communication module
development banks » development bank
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
de oral » de otras, new oral
gap de » gap die, cap de, gap d
mode a » mode ad, mode _, code a

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

• Adding a wildcard symbol may retrieve word variants: technologies a information gap de oral communication mode a development banks afrique.*.