Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
4.2 developpement » 4.2 development, de developpement, le developpement
developpement de » developpement des, developpement durable
technologie die » technologie de, technologie im, technologie der
die inflation » does inflation, der inflation, price inflation
rate maps » rate caps, rate swaps, rate cap
maps 2.2 » maps 5.2, maps 3.1

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

• Adding a wildcard symbol may retrieve word variants: technologie die inflation rate maps 2.2 communication costs 4.2 developpement de l'afrique.*.