Perhaps you should try some spelling variations:
development manuel » developpement manuel, development model, development master
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
formulation des » formation des, formulacion de, formulation _
technologies 4 » technologies _
4 formulation » _ formulation, 3 formulation, 2 formulation
cost software » costs software, code software, iot software
des do » des don, des dr
do de » do we, dx de

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 formulation des do de communication cost software development manuel afrique.*.