Perhaps you should try some spelling variations:
technological model » technological models, technological tools, technological content
model innovation » social innovation
innovation rates » innovation rate, innovation notes, innovation race
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
rates daten » rates latin, rates rates, rates data
daten de » daten der, daten des, daten die
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 model innovation rates daten de communication costs a developpement en afrique.*.