Perhaps you should try some spelling variations:
information series » information services, informatics series, information service
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
series 2 » series _, series 1
2 oral » _ 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 series 2 oral communication 5 au developpement en afrique.*.