Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
calculations from » calculations prof, circulations from, miscalculations from
development model » development models, development middle
mine development » sme development, trade development, business development
technologies de » technologies _, technologies 4, technologies 2
de calculations » mde calculations, dft calculations, _ calculations
costs mine » costs money, costs timing
from i » from ip, from 0, from its
i open » gi open, ii open, 2 open

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

• Adding a wildcard symbol may retrieve word variants: technologies de calculations from i open communication costs mine development model afrique.*.