Perhaps you should try some spelling variations:
technology german » technology germany, technology thermal, technology human
3.2 communication » 3 communication, 2.3 communication, de communication
der developpement » de developpement, des developpements, leur developpement
inflation target » inflation targeting, inflation rate, inflation rates
developpement de » developpement des, developpement durable
communication 2 » communication _, communication a, communication 3
target spaces » target species, target states, target prices
spaces 3.2 » space 3.2, spaces 4.2, spaces 6.2
de afrique » de l'afrique, en afrique, l afrique
2 der » _ der

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

• Adding a wildcard symbol may retrieve word variants: technology german inflation target spaces 3.2 communication 2 der developpement de afrique.*.