Perhaps you should try some spelling variations:
guinea communications » business communications, online communications, data communications
communications model » communications models, communication model, communicating model
developpement en » developpement et, developpement des, developpement de
3.2 integration » 2.2 integration, 5.2 integration, 3.2 interaction
a developpement » au developpement, de developpement, le developpement
technology 3.2 » technology 2.2, technology 3.1, technology 2
model a » model 1

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

• Adding a wildcard symbol may retrieve word variants: technology 3.2 integration 3 _ guinea communications model a developpement en afrique.*.