Perhaps you should try some spelling variations:
african communication » africa communications, vertical communication, optical communication
communication model » communication media
integrating land » integrating a, integrated land, integrating data
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
2.2 integrating » 3.2 integrating, 4.2 integrating, 5.2 integrating
technology 2.2 » technology _, technology 1, technology 3
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: technology 2.2 integrating land _ african communication model de developpement en afrique.*.