Perhaps you should try some spelling variations:
developpement durable » developpement de
formulation model » circulation model, simulation model, population model
le developpement » de developpement, sme development
technologies la » technologies a, technologies le, technologies lead
e communication » de communication, 1 communication, une communication
communication r » communication 3, communication 1, communication 2
la formulation » la formulacion, _ formulation, la formation
model der » modell der, mode der, modelle der
der e » der eg, der _
r le » rh le, 1 le, 3 le

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

• Adding a wildcard symbol may retrieve word variants: technologies la formulation model der e communication r le developpement durable afrique.*.