Perhaps you should try some spelling variations:
guidance information » finance information, guide information, science information
technology guidance » technology finance, technology evidence, technology guides
oral communication » personal communication
information need » information needs, information needed, information speed
de development » e development, ce development, de developpement
systems de » systemes de, systems der, systems die
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: technology guidance information need de oral communication systems de development a afrique.*.