Perhaps you should try some spelling variations:
2.4.1 communication » 3.4.1 communication, 9.4.1 communication, 6.2.4.1 communication
technology users » technology use, technology series, technology transfers
developpement du » developpement de, developpement des, developpement et
users inflation » users information, der inflation, does inflation
a developpement » au developpement, de developpement, le developpement
inflation und » inflation index, inflation _, inflation tax
trimer 2.4.1 » trimed 5.7.1
und trimer » und trier, und trager, und trauer
du marche » le marche
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology users inflation und trimer 2.4.1 communication costs a developpement du marche.*.