Perhaps you should try some spelling variations:
formulation where » formulation over, formulation des, calculation where
communication 3.3 » communication _, communication a, communication 1
en developpement » et developpement, de developpement, le developpement
a communication » la communication, data communication, data communications
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
model a » model 1
3.3 en » 3.3 ein, 3.3 el, 3.3 eu

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

• Adding a wildcard symbol may retrieve word variants: technologies _ formulation where model a communication 3.3 en developpement l afrique.*.