Perhaps you should try some spelling variations:
fell communication » cell communication, cell communications, real communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information 5.2 » information 15.2, information 1.2, information 5.4
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing a » developing _
costs 2.3 » costs 4.2, costs 4.4
who fell » who feels
a access » 2 access, 3 access, 4 access
5.2 who » 5.2 what

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 5.2 who fell communication costs 2.3 developing a access.*.