Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
basin development » asian development, chain development, business development
calculation mode » calculation model, calculation module, calculational model
de communication » mobile communication, online communication
development east » development southeast, development 1
technologies a » technologies _, technologies 4, technologies 2
a calculation » _ calculation, 2 calculation, 3 calculation
east afrique » east africa, east african, en afrique
cost basin » cost basis, post basic, cost based
mode de » modes de, modele de
de de » e de, de ce, de se

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

• Adding a wildcard symbol may retrieve word variants: technologies a calculation mode de de communication cost basin development east afrique.*.