Perhaps you should try some spelling variations:
oral communication » personal communication
development banks » development bank
technologies 1 » technologies _, technologies 4, technologies 2
information 1 » information 2, information 3, information 3.2
debt oral » debt moral, debt oil
1 debt » 3 debt, 4 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 1 information 1 debt oral communication a _ development banks afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 1 information 1 debt oral communication a _ development banks afrique.*.