Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
lcc development » gcc development, sic development, wec development
technology die » technologie die, technology does, technology 4ir
die inflation » does inflation, der inflation, price inflation
development l » development li, development 1, development law
inflation e » inflation ee, inflation _, inflation a
costs lcc » cost lcc, costs ch
l afrique » en afrique
case 4.1 » case 4.2, case 1
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 die inflation e case 4.1 communication costs lcc development l afrique.*.