Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information 3.3.1 » information 3.3.3, information 5.3.1, information 2.3.1
ear communication » csr communication, ec communication, layer communication
technologien fur » technologien des, technologien und, technologies 2
fur information » zur information, fair information, your information
14.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
developing e » developing _, developing a, developing east
3.3.1 why » 13.3.1 why, 3.1.1 why, 3.2.1 why
cost 14.4 » costs 14.3, cost 2.4, cost 1.2
e access » 2 access, 3 access, 4 access
why ear » why learn, why early, why care

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information 3.3.1 why ear communication cost 14.4 developing e access.*.