Perhaps you should try some spelling variations:
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
rice development » mine development, site development, service development
development lid » development led, development li, development lie
technology die » technologie die, technology does, technology 4ir
die inflation » does inflation, der inflation, price inflation
inflation und » inflation index, inflation _, inflation tax
lid afrique » l afrique
costs rice » costs rise, cost price, costs risk
und case » und care, und cash, id case
case 5.2 » case 4.2, case 3.2, case 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 5.2 communication costs rice development lid afrique.*.