Perhaps you should try some spelling variations:
formulation model » circulation model, simulation model, population model
technologies ret » technologies _, technologies 4, technologies 2
10 communication » 1 communication, de communication, 3 communication
ret formulation » et formulation, re formulation, from formulation
communication 3 » communication _, communication a
b developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
model does » model codes, model deep, model dom
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies ret formulation model does 10 communication 3 b developpement l afrique.*.