Perhaps you should try some spelling variations:
technological chain » technological change, technological choice, technological gains
integration rates » integration states, integration notes, integration roles
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
rates date » rates data, rates rates, rates have
date de » daten der, daten des, date edd
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technological chain integration rates date de communication costs a developpement en afrique.*.