Perhaps you should try some spelling variations:
communication model » communication media
gold communication » good communication, world communication, ihrd communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
information 1 » information 2, information 3, information 3.2
das gold » das geld, des gold
model de » model due, model d, model du

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 1 das gold communication model de developpement en afrique.*.