Perhaps you should try some spelling variations:
communication model » communication media
integration work » integrating world, integration framework, integration 3
de communication » mobile communication, online communication
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
work 1.2 » work 2.1, work 2, work 4.1
model du » model due, model d, model dal
1.2 de » 1.2 die, 1.2 der, 1.2 des

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

• Adding a wildcard symbol may retrieve word variants: technology _ integration work 1.2 de communication model du developpement en afrique.*.