Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
developpement de » developpement des, developpement durable
technologie und » technologies 2.1
inflation rates » inflation rate
4 developpement » de developpement, le developpement, et developpement
und inflation » _ inflation, low inflation, der inflation
rates race » rates rates, rates raise, rat race
race data » price data, place data, space data
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: technologie und inflation rates race data communications costs 4 developpement de l'afrique.*.