Perhaps you should try some spelling variations:
wages communications » states communications, mass communications, face communications
communications costs » communication costs, communications _
technology grade » technology trade, technology guides, technology gender
developpement et » developpement des, developpement de, development east
grade inflation » price inflation, trade information
4 developpement » de developpement, le developpement, et developpement
et afrique » en afrique, l afrique
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 grade inflation _ prices wages communications costs 4 developpement et afrique.*.