Perhaps you should try some spelling variations:
guinea communications » business communications, online communications, data communications
communications model » communications models, communication model, communicating model
integrating land » integrating a, integrated land, integrating data
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
3 integrating » _ integrating, 4 integrating, 6 integrating
technology 3 » technology _, technology 1, technology 4
4 guinea » _ guinea, a guinean, _ guineo
model a » model 1
land 4 » land _, land a, land 2

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

• Adding a wildcard symbol may retrieve word variants: technology 3 integrating land 4 guinea communications model a developpement de l'afrique.*.