Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology model » technology models, technology code, technology moral
model innovation » social innovation
developpement l » developpement il, developpement la, developpement de
priced data » price data, prices data, predicted data
lab priced » low priced
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology model innovation lab priced data communications costs _ developpement l afrique.*.