Perhaps you should try some spelling variations:
oral communication » personal communication
l'information et » formation et
have development » phase development, leave development, valve development
technologies de » technologies _, technologies 4, technologies 2
efforts have » reforms have, efforts acd, efforts data
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 de l'information et de oral communication efforts have development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies de l'information et de oral communication efforts have development _ afrique.*.