Perhaps you should try some spelling variations:
oral communication » personal communication
development banks » development bank
re development » rfe development, e development, ce development
flows de » flows do, flows debt, flows bei
de oral » de otras, new oral
a re » _ re, a e, 2 re

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information flows de oral communication a re development banks afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information flows de oral communication a re development banks afrique.*.