Perhaps you should try some spelling variations:
use communication » une communication, de communication, causes communication
technology rate » technology state, technology role, technology related
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
rate inflation » grade inflation, wage inflation, age inflation
rate prices » gate prices, water prices, trade prices
prices use » prices rise, prices causes, services use
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 rate inflation rate prices use communication costs 4 developpement l afrique.*.