Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information 3.3.3 » information 4.3.3, information 2.3.2, information 3.2.2
ear communication » csr communication, ec communication, layer communication
technologien ad » technologien am, technologien und, technologien als
13.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
developing east » development east, developing a, developing asia
ad information » d information, nd information, od information
east access » cost access, easier access, last accessed
3.3.3 why » 1.3.3 why, 3.2.3 why, 3.3.1 why
cost 13.4 » cost 14.4, cost 3.4, cost 2.4
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 ad information 3.3.3 why ear communication cost 13.4 developing east access.*.