Perhaps you should try some spelling variations:
military intervention » policy intervention
communications costs » communication costs, communications _
u.s communications » 3.1 communications, les communications, nps communications
intervention test » intervention best, intervention tvet, intervention types
development l » development li, development 1, development law
l afrique » en afrique
data u.s » data us, data uses, nafta u.s
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: techniques military intervention test data u.s communications costs 2 development l afrique.*.