Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
communication cost » communication costs, communication costa, communications costs
information 3.5.2 » information 1.5.2, information 3.2.2, information 3.3.2
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
12 developing » 1.2 developing, 2 developing, 1 developing
developing a » developing _
a accessed » all accessed, last accessed, who accessed
3.5.2 who » 3.5.2 two, 3.5.2 how
who class » whole class, two class, who claim
cost 12 » cost 1.2, cost 15, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 3.5.2 who class communication cost 12 developing a accessed.*.