Perhaps you should try some spelling variations:
oral communication » personal communication
technologies road » technologies a, technologies co, technologies ret
asian development » human development, urban development, clean development
development banks » development bank
flows de » flows do, flows debt, flows bei
de oral » de otras, new oral

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

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