Perhaps you should try some spelling variations:
informationen 2.2.1 » informationen 4.2.1, information 2.2.2, information 12.2.1
oral communication » personal communication
technologies von » technologies co, technologies box, technologies can
do developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
communication 5 » communication _, communication a, communication 3
2.2.1 one » 2.4.1 one
one oral » one moral, one rural, one oil
5 do » _ do, 1 do, i do

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

• Adding a wildcard symbol may retrieve word variants: technologies von informationen 2.2.1 one oral communication 5 do developpement en afrique.*.