Perhaps you should try some spelling variations:
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
sharing model » sharing models, scoring model, clearing model
de afrique » de l'afrique, en afrique, l afrique
model 1.1 » model 10.1, model 11.1, models 1.1
3 des » 3 der, 3 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information sharing model 1.1 communication 3 des developpement de afrique.*.