Perhaps you should try some spelling variations:
25 communication » 2.5 communication, 5 communication, 2 communication
de developpement » sme development
developpement du » developpement de, developpement des, developpement et
typologies 2.1 » typologies 2.3, typologies 2.5, typologies 5.1
2.1 prediction » 3.1 prediction, 4.1 prediction, 2.3 prediction
series den » series de, series ann, series d
du afrique » en afrique, l afrique, de l'afrique
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologies 2.1 prediction series den 25 communication a de developpement du afrique.*.