Perhaps you should try some spelling variations:
oral communication » personal communication
technologies key » technologies any, technologies know, technologies _
information flow » information flows
key information » energy information
bank african » bank africa, pan african, baga african
flow de » flow der, flow e
de oral » de otras, new oral
costs a » costs _, costs 4

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies key information flow de oral communication costs a development bank african.~.
• Adding a wildcard symbol may retrieve word variants: technologies key information flow de oral communication costs a development bank african.*.