Perhaps you should try some spelling variations:
technologies cohort » technologies corporate, technologies authors, technologies co
cohort calculation » color calculation, cost calculation, core calculation
calculation where » calculations charge, calculation source, calculations phase
de communication » mobile communication, online communication
zu developpement » du developpement, au developpement, ou developpement
des afrique » en afrique, de l'afrique
where do » where _
do de » do we, dx de

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

• Adding a wildcard symbol may retrieve word variants: technologies cohort calculation where do de communication _ zu developpement des afrique.*.