Perhaps you should try some spelling variations:
oral communication » personal communication
led information » land information, feed information, oecd information
technology led » technology land, technology law, technology 1
efforts a » efforts _, efforts 4, efforts 6
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: technology led information flows de oral communication efforts a development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology led information flows de oral communication efforts a development _ afrique.*.