Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
mineral development » mine development, rural development, mining development
2.1 communications » 3.1 communications, 4.1 communication, 1.1 communication
risk inflation » risk information, rising inflation, risk inclination
inflation data » inflation rate, infection data, inflation das
development l » development li, development 1, development law
data space » data spaces, data sparse, data scarce
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology risk inflation data space 2.1 communications costs mineral development l afrique.*.