Perhaps you should try some spelling variations:
information duties » information studies, information devices, information series
oral communication » personal communication
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
communication 5 » communication _, communication a, communication 3
technologies 4 » technologies _
4 information » 2 information, 1 information
duties 3 » duties _, cities 3
3 oral » _ oral, 2 oral, 4 oral
5 au » 5 auf, 5 aut, 5 a

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information duties 3 oral communication 5 au developpement en afrique.*.