Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.2 communications » 3.2 communication, 3.1 communications, 4.2 communications
technology trade » technology trends, technology transfer, technology transfers
et developpement » de developpement, le developpement, test development
developpement et » developpement des, developpement de, development east
trade inflation » grade inflation, trade insulation, rate inflation
inflation wages » inflation rates, inflation taxes, inflation targets
wages space » wages race
et afrique » en afrique, l afrique
space 3.2 » space 2.1
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology trade inflation wages space 3.2 communications costs et developpement et afrique.*.