Perhaps you should try some spelling variations:
communication medium » communication mediums, communication media, communications media
de communication » mobile communication, online communication
technologies 4 » technologies _
a developments » a development, _ developments, 2 developments
formation des » formation _
4 formation » 1 formation, a formation, 4 formulation
des doses » des choses, des dorfes, des deces
doses de » doses due, does de, dose de
medium a » mediums a, medium _, medium 2

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 formation des doses de communication medium a developments _ afrique.*.