Perhaps you should try some spelling variations:
technologies policy » technologies policies, technology policy, technologies applied
policy information » policy formation, public information, policy innovation
oral communication » personal communication
information need » information needs, information needed, information speed
need de » need le, need fide, need one
de oral » de otras, new oral
costs a » costs _, costs 4

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

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