Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information cities » information duties, information societies, information centres
auf developpement » au developpement, du developpement, ou 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
cities 3 » cities _, cities a
3 verbal » _ verbal, a verbal, 3 verfall
5 auf » 5 aufs, i auf, a auf

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information cities 3 verbal communication 5 auf developpement en afrique.*.