Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
infection risks » infection risk, inflation risks, infection rates
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technology use » technology 1, technology 2.2, technology 3
use infection » une infection, und infection, use induction
risks related » aids related, its related
related de » related _, related 1, related ht
l afrique » en afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology use infection risks related de communication costs 4 developpement l afrique.*.