Perhaps you should try some spelling variations:
technologien als » technologien des, technologien fur, technologien und
ec communication » de communication, 3 communication, 4 communication
als information » als informations, aids information, laws information
information 1.2 » information 1.5.2, information 2
3 developing » 3 development
1.2 book » 1.4 book, 1.5 book, 1.6 book
book ec » book c, book end
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien als information 1.2 book ec communication costs 3 developing _ areas.*.