Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
les communications » laos communications, nps communications, u.s communications
technology high » technology rights, technology how, technology help
high simulation » high inflation, high population, die simulation
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
based causes » based case, based changes, based cluster
causes les » causes de, causes us, causes cures
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 high simulation based causes les communications costs 4 developpement l afrique.*.