Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
weather information » further information, sector information, customer information
techniques weather » techniques rather, techniques chapter, techniques what
information und » informations und
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing a » developing _
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
aezs. » sezs., aes.

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

• Adding a wildcard symbol may retrieve word variants: techniques weather information und der online communication costs 3.2 developing a aezs.*.