Perhaps you should try some spelling variations:
oral communication » personal communication
technologies case » technologies based, technologies can, technologies create
die developpement » de developpement, le developpement, du developpement
case information » care information, based information, phase information
information 5.4 » information 1.2, information 1.5.2, information 2
communication 2 » communication _, communication a, communication 3
des afrique » en afrique, de l'afrique
who oral » who deal
5.4 who » 1.4 who, 5.4 what

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

• Adding a wildcard symbol may retrieve word variants: technologies case information 5.4 who oral communication 2 die developpement des afrique.*.