Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information 4.2.3 » information 4.3.3, information 2.2.3, information 4.1.3
do communications » 10 communications, 14 communications, 2 communications
technologie a » technologie c, technologie 3, technologie 6
a information » 2 information, 1 information
3 developing » 3 development
developing a » developing _
4.2.3 why » 6.2.3 why, 4.3 why, 4.2.3 wer
a access » 2 access, 3 access, 4 access
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologie a information 4.2.3 why do communications costs 3 developing a access.*.