Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
technologies based » technologies used, technology based, technologies a
based formulacion » basic formulation, case formulation, based simulation
et developpements » et developpement, des developpements, en developpement
developpements en » developpement en, developpement et, developpements de
formulacion de » formulation des, formacion de, formulation _
skills et » skills e.g, skills _, skills a
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 skills et developpements en afrique.*.