Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
inflation target » inflation targeting, inflation rate, inflation rates
technology 4ir » technology 4, technology 4.1, technology 4.2
4ir inflation » der inflation, die inflation, aid inflation
cost resource » costs resource, best resource, case resource
development l » development li, development 1, development law
target case » target date, target rate, target task
l afrique » en afrique
case 4.1 » case 4.2, case 1

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir inflation target case 4.1 communication cost resource development l afrique.*.