Perhaps you should try some spelling variations:
calculations based » calculations area, calculations phase, regulations based
den communication » open communication, lean communication, when communication
development model » development models, development middle
site development » sme development, mine development, estate development
technologies de » technologies _, technologies 4, technologies 2
de calculations » mde calculations, dft calculations, _ calculations
costs site » costs some, costs united
based i » based ict, based ilc, based imo
i den » _ den, i der, i en

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

• Adding a wildcard symbol may retrieve word variants: technologies de calculations based i den communication costs site development model afrique.*.