Perhaps you should try some spelling variations:
formulation model » circulation model, simulation model, population model
technologies daf » technologies dans, technologies a, technologies de
de developpement » sme development
developpement de » developpement des, developpement durable
daf formulation » dual formulation, la formulation, a formulation
communication 3 » communication _, communication a
model does » model codes, model deep, model dom
de afrique » de l'afrique, en afrique, l afrique
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technologies daf formulation model does _ communication 3 de developpement de afrique.*.