Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
technologies based » technologies used, technology based, technologies a
based formulacion » basic formulation, case formulation, based simulation
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
formulacion de » formulation des, formacion de, formulation _
de fabrique » la fabrique, de l'afrique
series des » series de, series d, series e
de does » der does, do does, one does

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulacion de does _ communication series des developpement de fabrique.*.