Perhaps you should try some spelling variations:
trees developpement » tree development, de developpement, le developpement
communications case » communication case, communications can, communications code
formulation model » circulation model, simulation model, population model
developpement en » developpement et, developpement des, developpement de
technologies 2 » technologies _, technologies 4
2 formulation » _ formulation, 3 formulation, la formulation
case trees » case trends, case three, case types
model eo » model ee, model em, model eu

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 formulation model eo data communications case trees developpement en afrique.*.