Perhaps you should try some spelling variations:
informationen when » information when, informationen uber, informationen bei
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
technology von » technology vi, technology vt, technology vision
de afrique » de l'afrique, en afrique, l afrique
when can » when a
can 4.1 » scan 4.1, ban 4.1, bean 4.1
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: technology von informationen when can 4.1 communication costs 4 developpement de afrique.*.