Perhaps you should try some spelling variations:
technologien chandos » technological changes, technologies changing, technologies chapter
chandos information » change information
1g communication » 1 communication, 10 communication, 13 communication
developing av » developing a, developing ai, developing amp
contents 2.1 » contents 12.1, contexts 2.1, contents 3.1
3 developing » 3 development
av africa » v africa, iv africa, can africa
costs 3 » costs _, costs 4, costs a
2.1 1g » 2.1 11, 2.1 5g

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

• Adding a wildcard symbol may retrieve word variants: technologien chandos information contents 2.1 1g communication costs 3 developing av africa.*.