Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.4 communications » 5.4 communication, 1.4 communication, 14 communications
chap development » chad development, char development, chain development
technology die » technologie die, technology does, technology 4ir
development li » development lid, development lie, development lin
die inflation » does inflation, der inflation, price inflation
inflation use » inflation und, inflation die, inflation e
costs chap » costs ch, costs chapter
li afrique » l afrique, en afrique
case 4.4 » case 4.1, case 4.2, case 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology die inflation use case 4.4 communications costs chap development li afrique.*.