Perhaps you should try some spelling variations:
man communication » human communication, oman communications, lean communication
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
communication 1 » communication _, communication a, communication 3
technologies 2 » technologies _, technologies 4
information 1 » information 2, information 3, information 3.2
wie man » wie kann
1 wie » 1 die, 2 wie, 3 wie
1 du » 1 due, 1 dum, 11 du

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 1 wie man communication 1 du developpement de l'afrique.*.