Perhaps you should try some spelling variations:
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
technology role » technology's role, technology risk, technology r
inflation rates » inflation rate
role inflation » core inflation, rate inflation, price inflation
development li » development lid, development lie, development lin
rates hans » rates have
li afrique » l afrique, en afrique
hans 5.2 » chains 5.2, plans 5.2, hans g.p
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology role inflation rates hans 5.2 communication costs 2 development li afrique.*.