Perhaps you should try some spelling variations:
oral communication » personal communication
die developpement » de developpement, le developpement, du developpement
information 15.2 » information 1.5.2, information 1.2, information 1.3
technologies co » technologies _, technologies 4, technologies 2
communication 2 » communication _, communication a, communication 3
co information » do information, 2 information, 1 information
des afrique » en afrique, de l'afrique
15.2 who » 5.2 who, 1.2 who, 11.2 who
who oral » who deal

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

• Adding a wildcard symbol may retrieve word variants: technologies co information 15.2 who oral communication 2 die developpement des afrique.*.