Perhaps you should try some spelling variations:
sign communication » open communication, human communication, 3 communication
communication mode » communication model, communication modes, communication module
development middle » development models
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
de development » e development, ce development, de developpement
mode de » modes de, modele de
1 sign » 13 sign, _ sign, a sign
law 1 » law _, law a

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

• Adding a wildcard symbol may retrieve word variants: technologies co information law 1 sign communication mode de development middle afrique.*.