Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
oral communication » personal communication
information needs » information networks
developpement de » developpement des, developpement durable
von information » von informationen, can information
technology von » technology vi, technology vt, technology vision
de africa » does africa, de america, use africa
needs 2 » needs _, needs a, needs 3
2 oral » _ oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technology von information needs 2 oral communication a leur developpement de africa.*.