Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien road » technologien ad, technologien und, technologien am
de communication » mobile communication, online communication
1.1.2 developing » 10.3.2 developing, 1.6.4 developing, 11.5 developing
information 1.2 » information 1.5.2, information 2
developing a » developing _
cost 1.1.2 » costs 12.1.2, costs 1.1.3, cost 1.2
a accessed » all accessed, last accessed, who accessed
1.2 why » 1.2 what
why de » why do, why does, why code

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

• Adding a wildcard symbol may retrieve word variants: technologien road information 1.2 why de communication cost 1.1.2 developing a accessed.*.