Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology price » technology rich, technology voice, technology service
1 communications » 10 communications, 14 communications, 1 communication
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
inflation das » inflation bias, inflation tax, inflation a
de afrique » de l'afrique, en afrique, l afrique
das cafe » das coase, das camp, das capm
costs 4 » costs _, costs a, costs 4.2
cafe 1 » cafe _

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

• Adding a wildcard symbol may retrieve word variants: technology price inflation das cafe 1 communications costs 4 developpement de afrique.*.