Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
der developpement » de developpement, des developpements, leur developpement
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
communication 2 » communication _, communication a, communication 3
costs other » costs over
other de » other dc, other deep, other dice
2 der » _ der

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information costs other de communication 2 der developpement en afrique.*.