Perhaps you should try some spelling variations:
trade developpement » trade developement, trade development, de developpement
technologies model » technological model, technologies modelling, technological models
model formulation » model simulation, budget formulation, model simulations
formulation where » formulation over, formulation des, calculation where
developpement et » developpement des, developpement de, development east
communication 3 » communication _, communication a
where does » where do
et afrique » en afrique, l afrique
3 trade » 1 trade, 4 trade, 2 trade

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 does _ communication 3 trade developpement et afrique.*.