Perhaps you should try some spelling variations:
communications cost » communications costs, communications cross, communication costs
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
inflation spaces » innovation spaces, inflation rates, inflation taxes
envelopment l » development li, development 1
technology d » technology 1, technology 3, technology 4
spaces space » spaces spaces, space space, space spaces
d inflation » _ inflation, 2 inflation, 6 inflation
space 4.2 » space 3.2, space 2.2, space 4.3
cost data » test data
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 d inflation spaces space 4.2 communications cost data envelopment l afrique.*.