Perhaps you should try some spelling variations:
oral communication » personal communication
technologies know » technologies allow, technological know, technologies co
development banks » development bank
know information » new information, how information, allow information
information how » information 2, information 1, information 1.2
debt oral » debt moral, debt oil
how debt » low debt

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

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