Perhaps you should try some spelling variations:
technologies authors » technologies methods, technologies cohort, technology author
des developpement » des developpements, de developpement, le developpement
10 communication » 1 communication, de communication, 3 communication
developpement en » developpement et, developpement des, developpement de
formulacion who » formulacion de, formulation where
communication 3 » communication _, communication a
who does » whom does, who goes, who loses
3 des » 3 der, 3 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies authors formulacion who does 10 communication 3 des developpement en afrique.*.