Perhaps you should try some spelling variations:
integrated models » integrated model, integrated module, integrated modeling
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
developpement du » developpement de, developpement des, developpement et
a developpement » au developpement, de developpement, le developpement
du afrique » en afrique, l afrique, de l'afrique
models da » models d, models data, models dge
costs a » costs _, costs 4
da 4.2 » 3a 4.2, ca 4.2, data 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology transfer integrated models da 4.2 communication costs a developpement du afrique.*.