Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
leur developpement » le developpement, deux developpements, de developpement
information need » information needs, information needed, information speed
developpement en » developpement et, developpement des, developpement de
en america » _ america
need past » needs east, need art, need pt
past case » east case, past based, test case

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

• Adding a wildcard symbol may retrieve word variants: technology _ information need past case communication a leur developpement en america.*.