Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
technology voice » technology choice, technology choices, technology volume
developpement de » developpement des, developpement durable
voice inflation » price inflation, core inflation, die inflation
4 developpement » de developpement, le developpement, et developpement
inflation auf » inflation a, inflation rate, inflation _
de afrique » de l'afrique, en afrique, l afrique
auf case » auf das, off case
case 3.2 » case 4.2, case 3.1, case 5.2
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 voice inflation auf case 3.2 communication costs 4 developpement de afrique.*.