Perhaps you should try some spelling variations:
communication model » communication media
national framework » nations framework, operational framework, analytical framework
era communication » la communication, a communication, era communicating
due developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technology 7 » technology _, technology 1, technology 3
7 national » 3 national, 2 national, 4 national
model due » model du, model deep, model d
3 era » 3 erga, _ era, 0 era

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

• Adding a wildcard symbol may retrieve word variants: technology 7 national framework 3 era communication model due developpement en afrique.*.