Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
5.3 communication » 2.3 communication, 4.3 communication, 1.3 communication
lcc development » gcc development, sic development, wec development
development law » development latin, development 1
technology 4ir » technology 4, technology 4.1, technology 4.2
4ir inflation » der inflation, die inflation, aid inflation
inflation use » inflation und, inflation die, inflation e
law afrique » l afrique
case 5.3 » case 2.3, case 5.2, case 3.3
cost lcc » cost low, cost cs

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir inflation use case 5.3 communication cost lcc development law afrique.*.