Perhaps you should try some spelling variations:
communication model » communication media
good communication » world communication, ihrd communication, based communication
led developpement » le developpement, leur developpement, de developpement
developpement en » developpement et, developpement des, developpement de
information 1.2 » information 1.5.2, information 2
technologies 4 » technologies _
4 information » 2 information, 1 information
model led » model land, model law, model listed
das good » das gold, does good, das geld

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 1.2 das good communication model led developpement en afrique.*.