Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
6.2 communications » 6.2 communication, 4.2 communications, 3.2 communication
inflation taxes » inflation rates, inflation tax, inflation targets
technology dlt » technology data, technology debts, technology 21st
dlt inflation » der inflation, die inflation, d inflation
envelopment l » development li, development 1
taxes spaces » places spaces, papers spaces, spaces spaces
spaces 6.2 » spaces 4.2, spaces 1.1, spaces 2.1
costs data » cost data
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 dlt inflation taxes spaces 6.2 communications costs data envelopment l afrique.*.