Perhaps you should try some spelling variations:
technologies case » technologies based, technologies can, technologies create
calculation where » calculations charge, calculation source, calculations phase
case calculation » based calculation, cost calculation, rate calculation
15 communication » 5 communication, 1 communication, 10 communication
le developpement » de developpement, sme development
des afrique » en afrique, de l'afrique
where der » where does, where were, where do
der 15 » der 10, der 11, der 12
a le » a les, a la, a l

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

• Adding a wildcard symbol may retrieve word variants: technologies case calculation where der 15 communication a le developpement des afrique.*.