Perhaps you should try some spelling variations:
communication model » communication media
integrating land » integrating a, integrated land, integrating data
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
4ir integrating » 4 integrating, 4.2 integrating, 4.3 integrating
technology 4ir » technology 4, technology 4.1, technology 4.2
model du » model due, model d, model dal
land 1 » land _, band 1, land a
1 mass » a mass

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir integrating land 1 mass communication model du developpement de l'afrique.*.