Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.3.1 communications » 2.3.1.1 communication, 2.3 communication, 3.1 communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
technology how » technology 1, technology 2.2, technology 3
how inflation » low inflation, log inflation, has inflation
inflation das » inflation bias, inflation tax, inflation a
prices 2.3.1 » prices 2.3.4, prices 2.3.5, prices 2.3.6
das prices » gas prices, gas price, do prices
de afrique » de l'afrique, en afrique, l afrique
costs a » 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 how inflation das prices 2.3.1 communications costs a developpement de afrique.*.