Perhaps you should try some spelling variations:
technologies climate » technologies create, technologies facilitate, technologies validated
climate information » private information
oral communication » personal communication
information need » information needs, information needed, information speed
a afrique » l afrique, en afrique
need de » need le, need fide, need one
de oral » de otras, new oral

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

• Adding a wildcard symbol may retrieve word variants: technologies climate information need de oral communication costs _ development a afrique.*.