Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
deux developpements » des developpements, de developpement, du developpement
developpements en » developpement en, developpement et, developpements de
formulation der » formulation des, formulation de, formulation over
technologies a » technologies _, technologies 4, technologies 2
a formulation » la formulation, _ formulation, 3 formulation
series deux » series de, series index

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

• Adding a wildcard symbol may retrieve word variants: technologies a formulation der does _ communication series deux developpements en afrique.*.