Perhaps you should try some spelling variations:
military operations » utility operations
pre communication » parte communication, prone communication, true communication
operations few » operations new, operations how, operations from
20 development » 2 development, 2015 development, 2007 development
development li » development lid, development lie, development lin
li afrique » l afrique, en afrique
few data » new data, flow data, view data
costs 20 » costs 60, costs 2.3, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: techniques military operations few data pre communication costs 20 development li afrique.*.