Perhaps you should try some spelling variations:
technological concept » technological concepts, technological content, technological context
face communication » voice communication, de communication, time communication
die developpement » de developpement, le developpement, du developpement
developpement de » developpement des, developpement durable
formation needs » information needs, information need, formation des
communication 2 » communication _, communication a, communication 3
needs five » needs life, needs time, needs figure
five face » five force, five facts, five case
de africa » does africa, de america, use africa

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

• Adding a wildcard symbol may retrieve word variants: technological concept formation needs five face communication 2 die developpement de africa.*.