Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien fund » technologien und, technologie und, technologien fur
information 2.2.2 » information 12.2.2, information 2.3.2, information 3.2.2
fund information » road information
de communication » mobile communication, online communication
13 developing » 1.3 developing, 3 developing, 1 developing
developing 4 » developing _, developing a, developing e
2.2.2 why » 2.2.1 why, 3.2.2 why
4 access » 2 access, 3 access
cost 13 » cost 12, cost 15, cost e3
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 fund information 2.2.2 why de communication cost 13 developing 4 access.*.