Perhaps you should try some spelling variations:
technologien chandos » technological changes, technologies changing, technologies chapter
secure communication » remote communication, science communication, mobile communication
chandos information » change information
information 3 » information 2
developing 11 » developing _, developing a, developing e
based secure » based security
4 developing » 3 developing
11 arenas » _ arenas
3 based » 3 base, 3 basel, d based
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien chandos information 3 based secure communication costs 4 developing 11 arenas.*.