Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
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 fur » technologien des, technologien und, technologies 2
fur information » zur information, fair information, your information
13.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
costa 13.4 » cost 14.4, cost 3.4, costs 23.4
3.3.3 why » 1.3.3 why, 3.2.3 why, 3.3.1 why
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 3.3.3 why ear communication costa 13.4 developing _ access.*.