Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
rice development » mine development, site development, service 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 und » inflation index, inflation _, inflation tax
costs rice » costs rise, cost price, costs risk
li afrique » l afrique, en afrique
und case » und care, und cash, id case
case 6.2 » case 6.12, case f6.2, case 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology die inflation und case 6.2 communication costs rice development li afrique.*.