Perhaps you should try some spelling variations:
oral communication » personal communication
used information » user information, use information, based information
dean development » clean development, asean development, ocean development
technology used » technology use, technology based, technology users
efforts dean » efforts real, effort des, efforts data
flows new » flowers new, flows grew, flow net
new oral » new moral, knew moral, new rural

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology used information flows new oral communication efforts dean development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology used information flows new oral communication efforts dean development _ afrique.*.