Perhaps you should try some spelling variations:
oral communication » personal communication
based information » basic information, based innovation, land information
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
information age » information storage, information access, information about
de oral » de otras, new oral
age de » page de, stage de, image de

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

• Adding a wildcard symbol may retrieve word variants: technology based information age de oral communication _ le developpement en afrique.*.