Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
innovation case » innovation based, innovation chapter, innovation center
communication 3 » communication _, communication a
case 4.2 » case 4.1, case 2
4.2 de » 4.2 die, 4.2 der, 4.2 den
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ innovation case 4.2 de communication 3 de developpement en afrique.*.