Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.1 communications » 3.1 communications, 4.1 communication, 1.1 communication
developpement en » developpement et, developpement des, developpement de
technology have » technology hard, technology has, technologies have
inflation wages » inflation rates, inflation taxes, inflation targets
4 developpement » de developpement, le developpement, et developpement
have inflation » wage inflation, age inflation, has inflation
wages space » wages race
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology have inflation wages space 2.1 communications costs 4 developpement en afrique.*.