Perhaps you should try some spelling variations:
des developpement » des developpements, de developpement, le developpement
formulation over » formation over, formulation model, formulation where
developpement de » developpement des, developpement durable
technologies a » technologies _, technologies 4, technologies 2
a formulation » la formulation, _ formulation, 3 formulation
systems des » systems der, system des, systeme des
over does » cover does, der does, over de
de farce » der farce, de arce, de force

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

• Adding a wildcard symbol may retrieve word variants: technologies a formulation over does _ communication systems des developpement de farce.*.