Perhaps you should try some spelling variations:
technologies model » technological model, technologies modelling, technological models
model formulation » model simulation, budget formulation, model simulations
formulation where » formulation over, formulation des, calculation where
der developpement » de developpement, des developpements, leur developpement
10 communication » 1 communication, de communication, 3 communication
developpement en » developpement et, developpement des, developpement de
where do » where _
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologies model formulation where do 10 communication a der developpement en afrique.*.