Perhaps you should try some spelling variations:
calculations phase » calculations charge, calculations based, calculations chapter
scale development » estate development, trade development, sme development
development model » development models, development middle
de communication » mobile communication, online communication
technologies de » technologies _, technologies 4, technologies 2
de calculations » mde calculations, dft calculations, _ calculations
costs scale » cost scale, costs case, costs sales

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

• Adding a wildcard symbol may retrieve word variants: technologies de calculations phase _ de communication costs scale development model afrique.*.