Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
nets communication » lea's communication, mass communication, c's communication
based formulation » basic formulation, case formulation, based simulation
developpement en » developpement et, developpement des, developpement de
formulation 3.2 » formulation 3.1, formulation 4.2, formulation 2.1
a developpement » au developpement, de developpement, le developpement
die nets » die neue, die new, die nato
media a » media _, media 1, media 3

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulation 3.2 die nets communication media a developpement en afrique.*.