Perhaps you should try some spelling variations:
communication concepts » communication costs, communication channels, communication collection
des developpement » des developpements, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
technology use » technology 1, technology 2.2, technology 3
use inflation » push inflation, und inflation, die inflation
concepts des » concepts codes, conceptions des, concepts cases
rate price » water price, gate prices, ratio price
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 use inflation rate price _ communication concepts des developpement l afrique.*.