Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien award » technologien ad, technologien bedarf, technologien fur
award information » road information, fund information, und information
information 3.3.3 » information 4.3.3, information 2.3.2, information 3.2.2
de communication » mobile communication, online communication
13.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
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 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 award information 3.3.3 why de communication cost 13.4 developing _ access.*.