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 4.2 » technology 2.2, technology 3.2, technology 4.1
4.2 inflation » 3.2 inflation, 12 inflation, 2.3 inflation
inflation e » inflation ee, inflation _, inflation a
law afrique » l afrique
case 5.3 » case 2.3, case 5.2, case 3.3
cost lcc » cost low, cost cs
e case » ce case, he case, re case

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 inflation e case 5.3 communication cost lcc development law afrique.*.