Perhaps you should try some spelling variations:
guinea communications » business communications, online communications, data communications
communications model » communications models, communication model, communicating model
aa developpement » au developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
1.2 integration » 2.2 integration, 3.2 integration, 5.2 integration
technology 1.2 » technology 2.2, technology 3.2, technology 1.1
model aa » model a, model act, model ali

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

• Adding a wildcard symbol may retrieve word variants: technology 1.2 integration 3 _ guinea communications model aa developpement en afrique.*.