Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
its developpement » its development, et developpement, des developpements
3 communications » 3 communication, 2 communications, 4 communications
developpement en » developpement et, developpement des, developpement de
technology der » technology does, technology 4ir, technology dlt
der inflation » core inflation, _ inflation, low inflation
inflation der » inflation index, inflation _, inflation tax
costs its » costs ii, costs iii
der case » per case, dar case, der care
case 3 » case 1, case 2

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

• Adding a wildcard symbol may retrieve word variants: technology der inflation der case 3 communications costs its developpement en afrique.*.