Perhaps you should try some spelling variations:
african communication » africa communications, vertical communication, optical communication
communication model » communication media
technology model » technology models, technology code, technology moral
model integrated » model integrate, model integration, models integrating
du developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
1 african » _ african, 1 africa, 2 african
l afrique » en afrique
model du » model due, model d, model dal
pest 1 » pest _, west 1, test 1

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

• Adding a wildcard symbol may retrieve word variants: technology model integrated pest 1 african communication model du developpement l afrique.*.