Perhaps you should try some spelling variations:
technologies concrete » technologies corporate, technologies cohort, technologies create
concrete formulation » contract formulation
formulation where » formulation over, formulation des, calculation where
de communication » mobile communication, online communication
zu developpement » du developpement, au developpement, ou developpement
communication 3 » communication _, communication a
des afrique » en afrique, de l'afrique
where dx » where do, where did, where _
dx de » d de, ix de, x de
3 zu » 3 zur, 3 zum, 2 zu

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

• Adding a wildcard symbol may retrieve word variants: technologies concrete formulation where dx de communication 3 zu developpement des afrique.*.